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• 
  Species:
  Chaetostoma aff. lineopunctatum
  
  Caption: Adult - dorsal view
• 
  Species:
  Dekeyseria scaphirhynchus
  
  Caption: Adult dorsal view
• 
  Species:
  Ancistrus sp. (L514)
  
  Caption: Adult male - dorsal view
• 
  Species:
  Doras phlyzakion
  
  Caption: Adult, dorsal view
• 
  Species:
  Acanthodoras sp. (1)
  
  Caption: Albino - dorsal view
• 
  Species:
  Imparfinis mirini
  
  Caption: Albino, Rio Pardo basin, dorsal view
• 
  Species:
  Centromochlus akwe
  
  Caption: Alternate color pattern, dorsal view
• 
  Species:
  Ancistrus centrolepis
  
  Caption: Baudo River, Choco, Colombia. Dorsal view.
• 
  Species:
  Liosomadoras morrowi
  
  Caption: Brown colouration; Dorsal view
• 
  Species:
  Liosomadoras morrowi
  
  Caption: Brown colouration; Dorsal view
• 
  Species:
  Rhyacoglanis pulcher
  
  Caption: Canelos, Ecuador. Dorsal view
• 
  Species:
  Malacoglanis gelatinosus
  
  Caption: Cano Palomas, dorsal view
• 
  Species:
  Zaireichthys cf. pallidus
  
  Caption: Chobe Rapids, Kasane. Dorsal view
• 
  Species:
  Zaireichthys cf. pallidus
  
  Caption: Chobe Rapids, Kasane. Dorsal view
• 
  Species:
  Farlowella myriodon
  
  Caption: Close up of dorsal view of head
• 
  Species:
  Loricaria birindellii
  
  Caption: Close-up dorsal view
• 
  Species:
  Rhadinoloricaria sp. `PERU`
  
  Caption: Close-up dorsal view
• 
  Species:
  Sturisomatichthys reinae
  
  Caption: Close-up dorsal view
• 
  Species:
  Synodontis granulosus
  
  Caption: Close-up dorsal view of head
• 
  Species:
  Noturus gyrinus
  
  Caption: Close-up of dorsal view
• 
  Species:
  Loricaria nimairaco
  
  Caption: Close-up of dorsal view
• 
  Species:
  Sturisomatichthys aureus
  
  Caption: Close-up of dorsal view
• 
  Species:
  Trachelyopterus sp. (2)
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Chaca bankanensis
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Chaca chaca
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Dolichancistrus fuesslii
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Rineloricaria melini
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Brachyplatystoma tigrinum
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Sisor chennuah
  
  Caption: Close-up of dorsal view of head
• 
  Species:
  Astroblepus caquetae
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Ancistrus lineolatus
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Chaetostoma platyrhynchus
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Chaetostoma sp. (6)
  
  Caption: Close-up of head, dorsal view
• 
  Species:
  Chaetostoma vagum
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Hypostomus argus
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Hypostomus niceforoi
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Hypostomus oculeus
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Rineloricaria felipponei
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Rineloricaria pareiacantha
  
  Caption: Close-up of head, Dorsal view
• 
  Species:
  Oxyropsis wrightiana
  
  Caption: Close-up of head; Dorsal view
• 
  Species:
  Rineloricaria stewarti
  
  Caption: Close-up of head; Dorsal view
• 
  Species:
  Hypostomus cf. paulinus
  
  Caption: Close-up of head. Dorsal view
• 
  Species:
  Chaetostoma spondylus
  
  Caption: Collected in Upper Maranon. Dorsal view
• 
  Species:
  Pterobunocephalus depressus
  
  Caption: Dark color variant, Dorsal view
• 
  Species:
  Ailiichthys punctata
  
  Caption: Dorsal view
• 
  Species:
  Eutropiichthys vacha
  
  Caption: Dorsal view
• 
  Species:
  Proeutropiichthys taakree
  
  Caption: Dorsal view
• 
  Species:
  Acrochordonichthys guttatus
  
  Caption: Dorsal view
• 
  Species:
  Acrochordonichthys rugosus
  
  Caption: Dorsal view
• 
  Species:
  Akysis bilustris
  
  Caption: Dorsal view
• 
  Species:
  Akysis prashadi
  
  Caption: Dorsal view
• 
  Species:
  Akysis prashadi
  
  Caption: Dorsal view
• 
  Species:
  Akysis prashadi
  
  Caption: Dorsal view
• 
  Species:
  Akysis pulvinatus
  
  Caption: Dorsal view
• 
  Species:
  Pseudobagarius inermis
  
  Caption: Dorsal view
• 
  Species:
  Pseudobagarius meridionalis
  
  Caption: Dorsal view
• 
  Species:
  Pseudobagarius similis
  
  Caption: Dorsal view
• 
  Species:
  Amblyceps arunachalense
  
  Caption: Dorsal view
• 
  Species:
  Amblyceps foratum
  
  Caption: Dorsal view
• 
  Species:
  Amblyceps protentum
  
  Caption: Dorsal view
• 
  Species:
  Liobagrus anguillicauda
  
  Caption: Dorsal view
• 
  Species:
  Liobagrus chenhaojuni
  
  Caption: Dorsal view
• 
  Species:
  Liobagrus chenhaojuni
  
  Caption: Dorsal view
• 
  Species:
  Liobagrus geumgangensis
  
  Caption: Dorsal view
• 
  Species:
  Xiurenbagrus gigas
  
  Caption: Dorsal view
• 
  Species:
  Amphilius brevis
  
  Caption: Dorsal view
• 
  Species:
  Amphilius grandis
  
  Caption: Dorsal view
• 
  Species:
  Amphilius jacksonii
  
  Caption: Dorsal view
• 
  Species:
  Amphilius krefftii
  
  Caption: Dorsal view
• 
  Species:
  Amphilius longirostris
  
  Caption: Dorsal view
• 
  Species:
  Amphilius maesii
  
  Caption: Dorsal view
• 
  Species:
  Amphilius natalensis
  
  Caption: Dorsal view
• 
  Species:
  Amphilius opisthophthalmus
  
  Caption: Dorsal view
• 
  Species:
  Amphilius platychir
  
  Caption: Dorsal view
• 
  Species:
  Amphilius sp. (1)
  
  Caption: Dorsal view
• 
  Species:
  Amphilius sp. (2)
  
  Caption: Dorsal View
• 
  Species:
  Amphilius uranoscopus
  
  Caption: Dorsal view
• 
  Species:
  Belonoglanis brieni
  
  Caption: Dorsal view
• 
  Species:
  Belonoglanis brieni
  
  Caption: Dorsal view
• 
  Species:
  Dolichamphilius brieni
  
  Caption: Dorsal view
• 
  Species:
  Doumea typica
  
  Caption: Dorsal view
• 
  Species:
  Paramphilius baudoni
  
  Caption: Dorsal view
• 
  Species:
  Phractura fasciata
  
  Caption: Dorsal view
• 
  Species:
  Phractura scaphyrhynchura
  
  Caption: Dorsal view
• 
  Species:
  Tetracamphilius angustifrons
  
  Caption: Dorsal view
• 
  Species:
  Trachyglanis ineac
  
  Caption: Dorsal view
• 
  Species:
  Trachyglanis ineac
  
  Caption: Dorsal view
• 
  Species:
  Trachyglanis ineac
  
  Caption: Dorsal view
• 
  Species:
  Trachyglanis sanghensis
  
  Caption: Dorsal view
• 
  Species:
  Zaireichthys mandevillei
  
  Caption: Dorsal view
• 
  Species:
  Zaireichthys rotundiceps
  
  Caption: Dorsal view
• 
  Species:
  Gogo atratus
  
  Caption: Dorsal view
• 
  Species:
  Gogo brevibarbis
  
  Caption: Dorsal view
• 
  Species:
  Ariopsis assimilis
  
  Caption: Dorsal view
• 
  Species:
  Arius acutirostris
  
  Caption: Dorsal view
• 
  Species:
  Bagre bagre
  
  Caption: Dorsal view
• 
  Species:
  Bagre marinus
  
  Caption: Dorsal view
• 
  Species:
  Cinetodus froggatti
  
  Caption: Dorsal view
• 
  Species:
  Neoarius graeffei
  
  Caption: Dorsal view
• 
  Species:
  Netuma bilineata
  
  Caption: Dorsal view
• 
  Species:
  Notarius grandicassis
  
  Caption: Dorsal view
• 
  Species:
  Notarius rugispinis
  
  Caption: Dorsal view
• 
  Species:
  Pararius mastersi
  
  Caption: Dorsal view
• 
  Species:
  Sciades couma
  
  Caption: Dorsal view
• 
  Species:
  Sciades herzbergii
  
  Caption: Dorsal view
• 
  Species:
  Acanthobunocephalus nicoi
  
  Caption: Dorsal view
• 
  Species:
  Amaralia hypsiura
  
  Caption: Dorsal view
• 
  Species:
  Aspredinichthys filamentosus
  
  Caption: Dorsal view
• 
  Species:
  Aspredo aspredo
  
  Caption: Dorsal view
• 
  Species:
  Bunocephalus coracoideus
  
  Caption: Dorsal view
• 
  Species:
  Bunocephalus hertzi
  
  Caption: Dorsal view
• 
  Species:
  Bunocephalus knerii
  
  Caption: Dorsal view
• 
  Species:
  Bunocephalus knerii
  
  Caption: Dorsal view
• 
  Species:
  Bunocephalus larai
  
  Caption: Dorsal view
• 
  Species:
  Dupouyichthys sapito
  
  Caption: Dorsal view
• 
  Species:
  Ernstichthys intonsus
  
  Caption: Dorsal view
• 
  Species:
  Ernstichthys megistus
  
  Caption: Dorsal view
• 
  Species:
  Hoplomyzon atrizona
  
  Caption: Dorsal view
• 
  Species:
  Hoplomyzon papillatus
  
  Caption: Dorsal view
• 
  Species:
  Micromyzon akamai
  
  Caption: Dorsal view
• 
  Species:
  Platystacus cotylephorus
  
  Caption: Dorsal view
• 
  Species:
  Pterobunocephalus depressus
  
  Caption: Dorsal view
• 
  Species:
  Pterobunocephalus depressus
  
  Caption: Dorsal view
• 
  Species:
  Pterobunocephalus depressus
  
  Caption: Dorsal view
• 
  Species:
  Xyliphius kryptos
  
  Caption: Dorsal view
• 
  Species:
  Xyliphius lepturus
  
  Caption: Dorsal view
• 
  Species:
  Xyliphius lepturus
  
  Caption: Dorsal view
• 
  Species:
  Xyliphius melanopterus
  
  Caption: Dorsal view
• 
  Species:
  Xyliphius melanopterus
  
  Caption: Dorsal view
• 
  Species:
  Xyliphius melanopterus
  
  Caption: Dorsal view
• 
  Species:
  Xyliphius melanopterus
  
  Caption: Dorsal view
• 
  Species:
  Xyliphius sofiae
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus boulengeri
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus brachycephalus
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus chotae
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus cirratus
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus eigenmanni
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus festae
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus fissidens
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus guentheri
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus heterodon
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus homodon
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus mancoi
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus marmoratus
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus mindoensis
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus orientalis
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus retropinnus
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus simonsii
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus taczanowskii
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus vaillanti
  
  Caption: Dorsal view
• 
  Species:
  Astroblepus whymperi
  
  Caption: Dorsal view
• 
  Species:
  Ageneiosus apiaka
  
  Caption: Dorsal view
• 
  Species:
  Ageneiosus intrusus
  
  Caption: Dorsal view
• 
  Species:
  Ageneiosus uranophthalmus
  
  Caption: Dorsal view
• 
  Species:
  Ageneiosus vittatus
  
  Caption: Dorsal view
• 
  Species:
  Duringlanis perugiae
  
  Caption: Dorsal view
• 
  Species:
  Liosomadoras oncinus
  
  Caption: Dorsal view
• 
  Species:
  Pseudauchenipterus jequitinhonhae
  
  Caption: Dorsal view
• 
  Species:
  Spinipterus moijiri
  
  Caption: Dorsal view
• 
  Species:
  Tatia concolor
  
  Caption: Dorsal view
• 
  Species:
  Tatia dunni
  
  Caption: Dorsal view
• 
  Species:
  Tatia reticulata
  
  Caption: Dorsal view
• 
  Species:
  Tetranematichthys barthemi
  
  Caption: Dorsal view
• 
  Species:
  Tocantinsia piresi
  
  Caption: Dorsal view
• 
  Species:
  Trachelyichthys decaradiatus
  
  Caption: Dorsal view
• 
  Species:
  Trachelyichthys exilis
  
  Caption: Dorsal view
• 
  Species:
  Trachelyopterus ceratophysus
  
  Caption: Dorsal view
• 
  Species:
  Trachelyopterus ceratophysus
  
  Caption: Dorsal view
• 
  Species:
  Trachelyopterus lucenai
  
  Caption: Dorsal view
• 
  Species:
  Trachelyopterus sp. `RIO XINGU`
  
  Caption: Dorsal view
• 
  Species:
  Trachelyopterus sp. (2)
  
  Caption: Dorsal view
• 
  Species:
  Trachelyopterus sp. (4)
  
  Caption: Dorsal view
• 
  Species:
  Trachelyopterus striatulus
  
  Caption: Dorsal view
• 
  Species:
  Trachycorystes trachycorystes
  
  Caption: Dorsal view
• 
  Species:
  Tympanopleura brevis
  
  Caption: Dorsal view
• 
  Species:
  Tympanopleura longipinna
  
  Caption: Dorsal view
• 
  Species:
  Notoglanidium maculatum
  
  Caption: Dorsal view
• 
  Species:
  Notoglanidium pallidum
  
  Caption: Dorsal view
• 
  Species:
  Parauchenoglanis balayi
  
  Caption: Dorsal view
• 
  Species:
  Parauchenoglanis monkei
  
  Caption: Dorsal view
• 
  Species:
  Parauchenoglanis stiassnyae
  
  Caption: Dorsal view
• 
  Species:
  Bagroides melapterus
  
  Caption: Dorsal view
• 
  Species:
  Bagrus docmak
  
  Caption: Dorsal view
• 
  Species:
  Mystus bocourti
  
  Caption: Dorsal view
• 
  Species:
  Mystus cyrusi
  
  Caption: Dorsal view
• 
  Species:
  Mystus pelusius
  
  Caption: Dorsal view
• 
  Species:
  Mystus velifer
  
  Caption: Dorsal view
• 
  Species:
  Nanobagrus fuscus
  
  Caption: Dorsal view
• 
  Species:
  Nanobagrus immaculatus
  
  Caption: Dorsal view
• 
  Species:
  Nanobagrus lemniscatus
  
  Caption: Dorsal view
• 
  Species:
  Pseudomystus heokhuii
  
  Caption: Dorsal view
• 
  Species:
  Pseudomystus stenogrammus
  
  Caption: Dorsal view
• 
  Species:
  Sperata acicularis
  
  Caption: Dorsal view
• 
  Species:
  Tachysurus brevianalis
  
  Caption: Dorsal view
• 
  Species:
  Tachysurus eupogon
  
  Caption: Dorsal view
• 
  Species:
  Tachysurus nitidus
  
  Caption: Dorsal view
• 
  Species:
  Tachysurus nubilosus
  
  Caption: Dorsal view
• 
  Species:
  Tachysurus spilotus
  
  Caption: Dorsal view
• 
  Species:
  Tachysurus tokiensis
  
  Caption: Dorsal view
• 
  Species:
  Tachysurus wuyueensis
  
  Caption: Dorsal view
• 
  Species:
  Brochis multiradiata
  
  Caption: Dorsal view
• 
  Species:
  Brochis (sub-clade 3) ambiacus
  
  Caption: Dorsal view
• 
  Species:
  Brochis (sub-clade 3) sp. (Cw101)
  
  Caption: Dorsal view
• 
  Species:
  Brochis (sub-clade 3) sp. (Cw155)
  
  Caption: Dorsal view
• 
  Species:
  Callichthys callichthys
  
  Caption: Dorsal view
• 
  Species:
  Corydoras caramater
  
  Caption: Dorsal view
• 
  Species:
  Corydoras narcissus
  
  Caption: Dorsal view
• 
  Species:
  Corydoras orcesi
  
  Caption: Dorsal view
• 
  Species:
  Corydoras septentrionalis
  
  Caption: Dorsal view
• 
  Species:
  Corydoras serratus
  
  Caption: Dorsal view
• 
  Species:
  Corydoras spilurus
  
  Caption: Dorsal view
• 
  Species:
  Corydoras zawadzkii
  
  Caption: Dorsal view
• 
  Species:
  Gastrodermus pygmaeus
  
  Caption: Dorsal view
• 
  Species:
  Gastrodermus sp. (Cw105)
  
  Caption: Dorsal view
• 
  Species:
  Hoplisoma adolfoi
  
  Caption: Dorsal view
• 
  Species:
  Hoplisoma boehlkei
  
  Caption: Dorsal view
• 
  Species:
  Hoplisoma diphyes
  
  Caption: Dorsal view
• 
  Species:
  Hoplisoma esperanzae
  
  Caption: Dorsal view
• 
  Species:
  Hoplisoma lacrimostigmata
  
  Caption: Dorsal view
• 
  Species:
  Hoplisoma lymnades
  
  Caption: Dorsal view
• 
  Species:
  Hoplisoma polystictum
  
  Caption: Dorsal view
• 
  Species:
  Hoplisoma sp. (Cw028)
  
  Caption: Dorsal view
• 
  Species:
  Hoplisoma sp. (Cw049)
  
  Caption: Dorsal view
• 
  Species:
  Hoplisoma sp. (Cw159)
  
  Caption: Dorsal view
• 
  Species:
  Hoplisoma sp. (Cw159)
  
  Caption: Dorsal view
• 
  Species:
  Hoplisoma sp. (Cw190)
  
  Caption: Dorsal view
• 
  Species:
  Hoplisoma trilineatum
  
  Caption: Dorsal view
• 
  Species:
  Hoplosternum littorale
  
  Caption: Dorsal view
• 
  Species:
  Osteogaster sp. (Cw009)
  
  Caption: Dorsal view
• 
  Species:
  Osteogaster sp. (Cw078)
  
  Caption: Dorsal view
• 
  Species:
  Osteogaster sp. (Cw078)
  
  Caption: Dorsal view
• 
  Species:
  Scleromystax salmacis
  
  Caption: Dorsal view
• 
  Species:
  Cetopsis baudoensis
  
  Caption: Dorsal view
• 
  Species:
  Denticetopsis seducta
  
  Caption: Dorsal view
• 
  Species:
  Chaca bankanensis
  
  Caption: Dorsal view
• 
  Species:
  Chaca chaca
  
  Caption: Dorsal view
• 
  Species:
  Chaca chaca
  
  Caption: Dorsal view
• 
  Species:
  Chaca serica
  
  Caption: Dorsal view
• 
  Species:
  Bathyclarias foveolatus
  
  Caption: Dorsal view
• 
  Species:
  Clariallabes laticeps
  
  Caption: Dorsal view
• 
  Species:
  Clariallabes longicauda
  
  Caption: Dorsal view
• 
  Species:
  Clarias dhonti
  
  Caption: Dorsal view
• 
  Species:
  Clarias engelseni
  
  Caption: Dorsal view
• 
  Species:
  Clarias gracilentus
  
  Caption: Dorsal view
• 
  Species:
  Clarias rennyae
  
  Caption: Dorsal view
• 
  Species:
  Clarias serniosus
  
  Caption: Dorsal view
• 
  Species:
  Clarias teijsmanni
  
  Caption: Dorsal view
• 
  Species:
  Platyallabes tihoni
  
  Caption: Dorsal view
• 
  Species:
  Platyclarias machadoi
  
  Caption: Dorsal view
• 
  Species:
  Tanganikallabes alboperca
  
  Caption: Dorsal view
• 
  Species:
  Tanganikallabes mortiauxi
  
  Caption: Dorsal view
• 
  Species:
  Tanganikallabes stewarti
  
  Caption: Dorsal view
• 
  Species:
  Uegitglanis zammaranoi
  
  Caption: Dorsal view
• 
  Species:
  Xenoclarias holobranchus
  
  Caption: Dorsal view
• 
  Species:
  Chrysichthys acsiorum
  
  Caption: Dorsal view
• 
  Species:
  Chrysichthys praecox
  
  Caption: Dorsal view
• 
  Species:
  Hemidoras stenopeltis
  
  Caption: Dorsal view
• 
  Species:
  Hemidoras stenopeltis
  
  Caption: Dorsal view
• 
  Species:
  Hemidoras stuebelii
  
  Caption: Dorsal view
• 
  Species:
  Leptodoras nelsoni
  
  Caption: Dorsal view
• 
  Species:
  Leptodoras rogersae
  
  Caption: Dorsal view
• 
  Species:
  Platydoras armatulus
  
  Caption: Dorsal view
• 
  Species:
  Platydoras brachylecis
  
  Caption: Dorsal view
• 
  Species:
  Rhinodoras gallagheri
  
  Caption: Dorsal view
• 
  Species:
  Rhinodoras sp. `MANACACIAS`
  
  Caption: Dorsal view
• 
  Species:
  Rhinodoras sp. `TOCANTINS XINGU`
  
  Caption: Dorsal view
• 
  Species:
  Rhynchodoras xingui
  
  Caption: Dorsal view
• 
  Species:
  Brachyrhamdia imitator
  
  Caption: Dorsal view
• 
  Species:
  Cetopsorhamdia filamentosa
  
  Caption: Dorsal view
• 
  Species:
  Cetopsorhamdia insidiosa
  
  Caption: Dorsal view
• 
  Species:
  Cetopsorhamdia molinae
  
  Caption: Dorsal view
• 
  Species:
  Chasmocranus longior
  
  Caption: Dorsal view
• 
  Species:
  Imparfinis cf. stictonotus
  
  Caption: Dorsal view
• 
  Species:
  Imparfinis stictonotus
  
  Caption: Dorsal view
• 
  Species:
  Nannoglanis fasciatus
  
  Caption: Dorsal view
• 
  Species:
  Pariolius armillatus
  
  Caption: Dorsal view
• 
  Species:
  Pariolius armillatus
  
  Caption: Dorsal view
• 
  Species:
  Phenacorhamdia boliviana
  
  Caption: Dorsal view
• 
  Species:
  Phenacorhamdia suia
  
  Caption: Dorsal view
• 
  Species:
  Pimelodella vittata
  
  Caption: Dorsal view
• 
  Species:
  Rhamdia laticauda
  
  Caption: Dorsal view
• 
  Species:
  Heteropneustes fossilis
  
  Caption: Dorsal view
• 
  Species:
  Pseudeutropius mitchelli
  
  Caption: Dorsal view
• 
  Species:
  Ictalurus pricei
  
  Caption: Dorsal view
• 
  Species:
  Ictalurus punctatus
  
  Caption: Dorsal view
• 
  Species:
  Noturus crypticus
  
  Caption: Dorsal view
• 
  Species:
  Noturus elegans
  
  Caption: Dorsal view
• 
  Species:
  Noturus furiosus
  
  Caption: Dorsal view
• 
  Species:
  Noturus gyrinus
  
  Caption: Dorsal view
• 
  Species:
  Lacantunia enigmatica
  
  Caption: Dorsal view
• 
  Species:
  Acestridium dichromum
  
  Caption: Dorsal view
• 
  Species:
  Acestridium gymnogaster
  
  Caption: Dorsal view
• 
  Species:
  Acestridium martini
  
  Caption: Dorsal view
• 
  Species:
  Acestridium scutatum
  
  Caption: Dorsal view
• 
  Species:
  Acestridium sp. `MANICORE`
  
  Caption: Dorsal view
• 
  Species:
  Acestridium triplax
  
  Caption: Dorsal view
• 
  Species:
  Acestridium triplax
  
  Caption: Dorsal view
• 
  Species:
  Acestridium triplax
  
  Caption: Dorsal view
• 
  Species:
  Ancistomus sp. (L424)
  
  Caption: Dorsal view
• 
  Species:
  Ancistomus spilomma
  
  Caption: Dorsal view
• 
  Species:
  Ancistomus spilomma
  
  Caption: Dorsal view
• 
  Species:
  Ancistrini sp. (L172)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus brevipinnis
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus caucanus
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus centrolepis
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus clementinae
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus cryptophthalmus
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus dolichopterus
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus gymnorhynchus
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus heterorhynchus
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus karajas
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus krenakarore
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus leucostictus
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus lithurgicus
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus luzia
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus malacops
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus marcapatae
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus martini
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus miracollis
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus montanus
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus occidentalis
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus piriformis
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus ranunculus
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus ranunculus
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus shuar
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. `PUERTO AYACUCHO`
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. `RIO MAMORE`
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. `RIO TOCANTINS`
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. `RIO UCAYALI`
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. `SAO FELIX`
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (L107)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (L107)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (L107)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (L111)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (L180)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (L213)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (L255)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (L325)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (L338)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (L359)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (L393)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (L513)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (L519)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus sp. (LDA016)
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus tolima
  
  Caption: Dorsal view
• 
  Species:
  Ancistrus trinitatis
  
  Caption: Dorsal view
• 
  Species:
  Andeancistrus eschwartzae
  
  Caption: Dorsal view
• 
  Species:
  Andeancistrus platycephalus
  
  Caption: Dorsal view
• 
  Species:
  Andeancistrus platycephalus
  
  Caption: Dorsal view
• 
  Species:
  Aphanotorulus ammophilus
  
  Caption: Dorsal view
• 
  Species:
  Avalithoxus jantjae
  
  Caption: Dorsal view
• 
  Species:
  Baryancistrus beggini
  
  Caption: Dorsal view
• 
  Species:
  Baryancistrus sp. (L142)
  
  Caption: Dorsal view
• 
  Species:
  Baryancistrus xanthellus
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma aff. microps
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma anale
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma branickii
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma carrioni
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma cf. anale`napo`
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma chimu
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma formosae
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma joropo
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma lineopunctatum
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma loborhynchos
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma microps
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma microps
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma milesi
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma platyrhynchus
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma platyrhynchus
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma sp. (5)
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma sp. (6)
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma sp. (6)
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma sp. (6)
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma sp. (L445)
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma thomsoni
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma trimaculineum
  
  Caption: Dorsal view
• 
  Species:
  Chaetostoma trimaculineum
  
  Caption: Dorsal view
• 
  Species:
  Cheilonimata minuta
  
  Caption: Dorsal view
• 
  Species:
  Cordylancistrus torbesensis
  
  Caption: Dorsal view
• 
  Species:
  Corumbataia tocantinensis
  
  Caption: Dorsal view
• 
  Species:
  Corymbophanes ameliae
  
  Caption: Dorsal view
• 
  Species:
  Cteniloricaria platystoma
  
  Caption: Dorsal view
• 
  Species:
  Curculionichthys itaim
  
  Caption: Dorsal view
• 
  Species:
  Curculionichthys tukana
  
  Caption: Dorsal view
• 
  Species:
  Dasyloricaria filamentosa
  
  Caption: Dorsal view
• 
  Species:
  Dasyloricaria filamentosa
  
  Caption: Dorsal view
• 
  Species:
  Dekeyseria amazonica
  
  Caption: Dorsal view
• 
  Species:
  Dekeyseria amazonica
  
  Caption: Dorsal view
• 
  Species:
  Dekeyseria picta
  
  Caption: Dorsal view
• 
  Species:
  Delturus sp. (1)
  
  Caption: Dorsal view
• 
  Species:
  Dolichancistrus cobrensis
  
  Caption: Dorsal view
• 
  Species:
  Epactionotus gracilis
  
  Caption: Dorsal view
• 
  Species:
  Epactionotus itaimbezinho
  
  Caption: Dorsal view
• 
  Species:
  Exastilithoxus fimbriatus
  
  Caption: Dorsal view
• 
  Species:
  Farlowella acus
  
  Caption: Dorsal view
• 
  Species:
  Farlowella azpelicuetae
  
  Caption: Dorsal view
• 
  Species:
  Farlowella hahni
  
  Caption: Dorsal view
• 
  Species:
  Farlowella jauruensis
  
  Caption: Dorsal view
• 
  Species:
  Farlowella martini
  
  Caption: Dorsal view
• 
  Species:
  Farlowella mitoupibo
  
  Caption: Dorsal view
• 
  Species:
  Farlowella myriodon
  
  Caption: Dorsal view
• 
  Species:
  Farlowella nattereri
  
  Caption: Dorsal view
• 
  Species:
  Farlowella oxyrryncha
  
  Caption: Dorsal view
• 
  Species:
  Fonchiiloricaria nanodon
  
  Caption: Dorsal view
• 
  Species:
  Guyanancistrus brevispinis
  
  Caption: Dorsal view
• 
  Species:
  Harttia canastra
  
  Caption: Dorsal view
• 
  Species:
  Harttia guianensis
  
  Caption: Dorsal view
• 
  Species:
  Harttia loricariformis
  
  Caption: Dorsal view
• 
  Species:
  Harttia panara
  
  Caption: Dorsal view
• 
  Species:
  Harttia punctata
  
  Caption: Dorsal view
• 
  Species:
  Harttia punctata
  
  Caption: Dorsal view
• 
  Species:
  Harttia rondoni
  
  Caption: Dorsal view
• 
  Species:
  Harttia surinamensis
  
  Caption: Dorsal view
• 
  Species:
  Harttia villasboas
  
  Caption: Dorsal view
• 
  Species:
  Hemiancistrus cerrado
  
  Caption: Dorsal view
• 
  Species:
  Hemiancistrus landoni
  
  Caption: Dorsal view
• 
  Species:
  Hemiancistrus sp. (L476)
  
  Caption: Dorsal view
• 
  Species:
  Hemiodontichthys acipenserinus
  
  Caption: Dorsal view
• 
  Species:
  Hemiodontichthys acipenserinus
  
  Caption: Dorsal view
• 
  Species:
  Hirtella carinata
  
  Caption: Dorsal view
• 
  Species:
  Hisonotus francirochai
  
  Caption: Dorsal view
• 
  Species:
  Hisonotus pantherinus
  
  Caption: Dorsal view
• 
  Species:
  Hisonotus pantherinus
  
  Caption: Dorsal view
• 
  Species:
  Hisonotus vespuccii
  
  Caption: Dorsal view
• 
  Species:
  Hypancistrus contradens
  
  Caption: Dorsal view
• 
  Species:
  Hypancistrus debilittera
  
  Caption: Dorsal view
• 
  Species:
  Hypancistrus furunculus
  
  Caption: Dorsal view
• 
  Species:
  Hypancistrus sp. (3)
  
  Caption: Dorsal view
• 
  Species:
  Hypancistrus sp. (L066)
  
  Caption: Dorsal view
• 
  Species:
  Hypancistrus sp. (L236)
  
  Caption: Dorsal view
• 
  Species:
  Hypancistrus sp. (L260)
  
  Caption: Dorsal view
• 
  Species:
  Hypancistrus sp. (L340)
  
  Caption: Dorsal view
• 
  Species:
  Hypancistrus sp. (L340)
  
  Caption: Dorsal view
• 
  Species:
  Hypancistrus sp. (L340)
  
  Caption: Dorsal view
• 
  Species:
  Hypancistrus sp. (L450)
  
  Caption: Dorsal view
• 
  Species:
  Hypancistrus sp. (L454)
  
  Caption: Dorsal view
• 
  Species:
  Hypancistrus vandragti
  
  Caption: Dorsal view
• 
  Species:
  Hypoptopoma guianense
  
  Caption: Dorsal view
• 
  Species:
  Hypoptopoma gulare
  
  Caption: Dorsal view
• 
  Species:
  Hypoptopoma inexspectatum
  
  Caption: Dorsal view
• 
  Species:
  Hypoptopoma inexspectatum
  
  Caption: Dorsal view
• 
  Species:
  Hypoptopoma psilogaster
  
  Caption: Dorsal view
• 
  Species:
  Hypoptopoma sp. (5)
  
  Caption: Dorsal view
• 
  Species:
  Hypoptopoma steindachneri
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus aff. pusarum
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus annectens
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus cf. paulinus
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus faveolus
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus hemiurus
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus iheringii
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus jaguar
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus johnii
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus khimaera
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus kuarup
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus latifrons
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus macushi
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus melanephelis
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus pagei
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus pusarum
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus regani
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus sp. (L231)
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus sp. (L360)
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus sp. (L517)
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus vaillanti
  
  Caption: Dorsal view
• 
  Species:
  Hypostomus weberi
  
  Caption: Dorsal view
• 
  Species:
  Isbrueckerichthys duseni
  
  Caption: Dorsal view
• 
  Species:
  Isbrueckerichthys duseni
  
  Caption: Dorsal view
• 
  Species:
  Lamontichthys llanero
  
  Caption: Dorsal view
• 
  Species:
  Lamontichthys stibaros
  
  Caption: Dorsal view
• 
  Species:
  Lasiancistrus saetiger
  
  Caption: Dorsal view
• 
  Species:
  Lasiancistrus volcanensis
  
  Caption: Dorsal view
• 
  Species:
  Leporacanthicus cf. galaxias`venezuela`
  
  Caption: Dorsal view
• 
  Species:
  Leporacanthicus heterodon
  
  Caption: Dorsal view
• 
  Species:
  Leporacanthicus sp. (L314)
  
  Caption: Dorsal view
• 
  Species:
  Leporacanthicus sp. (L473)
  
  Caption: Dorsal view
• 
  Species:
  Leporacanthicus sp. (L473)
  
  Caption: Dorsal view
• 
  Species:
  Leptotocinclus ctenistus
  
  Caption: Dorsal view
• 
  Species:
  Leptotocinclus madeirae
  
  Caption: Dorsal view
• 
  Species:
  Limatulichthys griseus
  
  Caption: Dorsal view
• 
  Species:
  Limatulichthys nasarcus
  
  Caption: Dorsal view
• 
  Species:
  Lithogenes wahari
  
  Caption: Dorsal view
• 
  Species:
  Lithoxancistrus orinoco
  
  Caption: Dorsal view
• 
  Species:
  Lithoxancistrus yekuana
  
  Caption: Dorsal view
• 
  Species:
  Loricaria birindellii
  
  Caption: Dorsal view
• 
  Species:
  Loricaria luciae
  
  Caption: Dorsal view
• 
  Species:
  Loricaria luciae
  
  Caption: Dorsal view
• 
  Species:
  Loricaria luciae
  
  Caption: Dorsal view
• 
  Species:
  Loricaria pumila
  
  Caption: Dorsal view
• 
  Species:
  Loricaria spinulifera
  
  Caption: Dorsal view
• 
  Species:
  Loricariichthys anus
  
  Caption: Dorsal view
• 
  Species:
  Loricariichthys hauxwelli
  
  Caption: Dorsal view
• 
  Species:
  Loricariichthys platymetopon
  
  Caption: Dorsal view
• 
  Species:
  Megalancistrus barrae
  
  Caption: Dorsal view
• 
  Species:
  Megalancistrus sp. (L234)
  
  Caption: Dorsal view
• 
  Species:
  Megalancistrus sp. (LDA097)
  
  Caption: Dorsal view
• 
  Species:
  Metaloricaria nijsseni
  
  Caption: Dorsal view
• 
  Species:
  Metaloricaria paucidens
  
  Caption: Dorsal view
• 
  Species:
  Nannoptopoma sp. `PERU(2)`
  
  Caption: Dorsal view
• 
  Species:
  Nannoptopoma sp. `PERU(2)`
  
  Caption: Dorsal view
• 
  Species:
  Nannoptopoma sp. (LDA110)
  
  Caption: Dorsal view
• 
  Species:
  Nannoptopoma sternoptychum
  
  Caption: Dorsal view
• 
  Species:
  Nannoxyropsis acicula
  
  Caption: Dorsal view
• 
  Species:
  Nannoxyropsis ephippia
  
  Caption: Dorsal view
• 
  Species:
  Neblinichthys brevibracchium
  
  Caption: Dorsal view
• 
  Species:
  Neblinichthys echinasus
  
  Caption: Dorsal view
• 
  Species:
  Neblinichthys echinasus
  
  Caption: Dorsal view
• 
  Species:
  Neblinichthys yaravi
  
  Caption: Dorsal view
• 
  Species:
  Otocinclus batmani
  
  Caption: Dorsal view
• 
  Species:
  Otocinclus cocama
  
  Caption: Dorsal view
• 
  Species:
  Otocinclus flexilis
  
  Caption: Dorsal view
• 
  Species:
  Otocinclus mariae
  
  Caption: Dorsal view
• 
  Species:
  Otocinclus mura
  
  Caption: Dorsal view
• 
  Species:
  Otocinclus vittatus
  
  Caption: Dorsal view
• 
  Species:
  Oxyropsis wrightiana
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus albivermis
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus albomaculatus
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus changae
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus changae
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus gnomus
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus maccus
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus nocturnus
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus sp. (1)
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus sp. (1)
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus sp. (L002)
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus sp. (L169)
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus sp. (L206)
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus sp. (L397)
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus sp. (L403)
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus sp. (L425)
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus sp. (L448)
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus sp. (L453)
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus sp. (L453)
  
  Caption: Dorsal view
• 
  Species:
  Panaqolus sp. (L465)
  
  Caption: Dorsal view
• 
  Species:
  Panaque bathyphilus
  
  Caption: Dorsal view
• 
  Species:
  Panaque cf. armbrusteri`xingu`
  
  Caption: Dorsal view
• 
  Species:
  Panaque cf. cochliodon`upper magdalena`
  
  Caption: Dorsal view
• 
  Species:
  Panaque nigrolineatus laurafabianae
  
  Caption: Dorsal view
• 
  Species:
  Panaque sp. (L191)
  
  Caption: Dorsal view
• 
  Species:
  Paralithoxus bovallii
  
  Caption: Dorsal view
• 
  Species:
  Paralithoxus cf. raso
  
  Caption: Dorsal view
• 
  Species:
  Paralithoxus planquettei
  
  Caption: Dorsal view
• 
  Species:
  Paraloricaria vetula
  
  Caption: Dorsal view
• 
  Species:
  Parancistrus aurantiacus
  
  Caption: Dorsal view
• 
  Species:
  Pareiorhaphis cameroni
  
  Caption: Dorsal view
• 
  Species:
  Pareiorhaphis hystrix
  
  Caption: Dorsal view
• 
  Species:
  Pareiorhaphis pumila
  
  Caption: Dorsal view
• 
  Species:
  Pareiorhaphis scutula
  
  Caption: Dorsal view
• 
  Species:
  Pareiorhaphis steindachneri
  
  Caption: Dorsal view
• 
  Species:
  Pareiorhaphis stephana
  
  Caption: Dorsal view
• 
  Species:
  Pareiorhaphis vestigipinnis
  
  Caption: Dorsal view
• 
  Species:
  Parotocinclus adamanteus
  
  Caption: Dorsal view
• 
  Species:
  Parotocinclus bahiensis
  
  Caption: Dorsal view
• 
  Species:
  Parotocinclus bahiensis
  
  Caption: Dorsal view
• 
  Species:
  Parotocinclus cearensis
  
  Caption: Dorsal view
• 
  Species:
  Parotocinclus doceanus
  
  Caption: Dorsal view
• 
  Species:
  Parotocinclus jacumirim
  
  Caption: Dorsal view
• 
  Species:
  Parotocinclus nandae
  
  Caption: Dorsal view
• 
  Species:
  Parotocinclus pukuixe
  
  Caption: Dorsal view
• 
  Species:
  Parotocinclus sp. `PERNAMBUCO`
  
  Caption: Dorsal view
• 
  Species:
  Parotocinclus spilosoma
  
  Caption: Dorsal view
• 
  Species:
  Paulasquama callis
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia compta
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia compta
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia ephippiata
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia furcata
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia greedoi
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia lujani
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia pankimpuju
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia relictum
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia sabaji
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia sp. `RIO NEGRO II`
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia sp. `RIO SAN JULIAN`
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia sp. (L055)
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia sp. (L076)
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia sp. (L205)
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia sp. (L211)
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia vermiculata
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia vittata
  
  Caption: Dorsal view
• 
  Species:
  Peckoltia vittata
  
  Caption: Dorsal view
• 
  Species:
  Pseudacanthicus nyktos
  
  Caption: Dorsal view
• 
  Species:
  Pseudacanthicus pirarara
  
  Caption: Dorsal view
• 
  Species:
  Pseudacanthicus pitanga
  
  Caption: Dorsal view
• 
  Species:
  Pseudacanthicus serratus
  
  Caption: Dorsal view
• 
  Species:
  Pseudacanthicus sp. (L063)
  
  Caption: Dorsal view
• 
  Species:
  Pseudacanthicus sp. (L275)
  
  Caption: Dorsal view
• 
  Species:
  Pseudacanthicus sp. (L343)
  
  Caption: Dorsal view
• 
  Species:
  Pseudacanthicus sp. (L452)
  
  Caption: Dorsal view
• 
  Species:
  Pseudacanthicus sp. (L452)
  
  Caption: Dorsal view
• 
  Species:
  Pseudancistrus asurini
  
  Caption: Dorsal view
• 
  Species:
  Pseudancistrus genisetiger
  
  Caption: Dorsal view
• 
  Species:
  Pseudancistrus guentheri
  
  Caption: Dorsal view
• 
  Species:
  Pseudancistrus kayabi
  
  Caption: Dorsal view
• 
  Species:
  Pseudancistrus kwinti
  
  Caption: Dorsal view
• 
  Species:
  Pseudancistrus sidereus
  
  Caption: Dorsal view
• 
  Species:
  Pseudancistrus sp. (2)
  
  Caption: Dorsal view
• 
  Species:
  Pseudohemiodon aff. apithanos
  
  Caption: Dorsal view
• 
  Species:
  Pseudohemiodon almendarizi
  
  Caption: Dorsal view
• 
  Species:
  Pseudohemiodon platycephalus
  
  Caption: Dorsal view
• 
  Species:
  Pseudohemiodon sp. `AMAZONAS VENEZUELA`
  
  Caption: Dorsal view
• 
  Species:
  Pseudolithoxus dumus
  
  Caption: Dorsal view
• 
  Species:
  Pseudolithoxus kelsorum
  
  Caption: Dorsal view
• 
  Species:
  Pseudolithoxus tigris
  
  Caption: Dorsal view
• 
  Species:
  Pseudoloricaria laeviuscula
  
  Caption: Dorsal view
• 
  Species:
  Pterygoplichthys chrysostiktos
  
  Caption: Dorsal view
• 
  Species:
  Pterygoplichthys pardalis
  
  Caption: Dorsal view
• 
  Species:
  Pterygoplichthys parnaibae
  
  Caption: Dorsal view
• 
  Species:
  Rhadinoloricaria sp. `PERU`
  
  Caption: Dorsal view
• 
  Species:
  Rhadinoloricaria sp. `PERU`
  
  Caption: Dorsal view
• 
  Species:
  Rhadinoloricaria sp. `RIO PALOMETILLA`
  
  Caption: Dorsal view
• 
  Species:
  Rhinolekos britskii
  
  Caption: Dorsal view
• 
  Species:
  Rhinolekos capetinga
  
  Caption: Dorsal view
• 
  Species:
  Rhinolekos garavelloi
  
  Caption: Dorsal view
• 
  Species:
  Rhinolekos schaeferi
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus acuen
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus britskii
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus chromodontus
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus dani
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus dinizae
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus discolor
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus halbothi
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus hardmani
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus hera
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus jumaorum
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus jumaorum
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus kwarup
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus loxochelis
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus marginalis
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus pentakelis
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus pilosus
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus polyochrus
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus variola
  
  Caption: Dorsal view
• 
  Species:
  Rhinotocinclus yaka
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria aequalicuspis
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria anhaguapitan
  
  Caption: Dorsal View
• 
  Species:
  Rineloricaria anitae
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria baliola
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria beni
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria cadeae
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria capitonia
  
  Caption: Dorsal View
• 
  Species:
  Rineloricaria eigenmanni
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria heteroptera
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria heteroptera
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria jubata
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria jurupari
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria lanceolata
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria longicauda
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria magdalenae
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria malabarbai
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria melini
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria misionera
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria phoxocephala
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria platyura
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria reisi
  
  Caption: Dorsal View
• 
  Species:
  Rineloricaria rupestris
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria sanga
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria setepovos
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria sp. `JACAREACANGA`
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria sp. `RIO YARAPA`
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria sp. (5)
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria steinbachi
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria stellata
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria stewarti
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria strigilata
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria teffeana
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria thrissoceps
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria tropeira
  
  Caption: Dorsal View
• 
  Species:
  Rineloricaria wolfei
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria zaina
  
  Caption: Dorsal view
• 
  Species:
  Rineloricaria zawadzkii
  
  Caption: Dorsal view
• 
  Species:
  Schizolecis guentheri
  
  Caption: Dorsal view
• 
  Species:
  Scobinancistrus raonii
  
  Caption: Dorsal view
• 
  Species:
  Soromonichthys stearleyi
  
  Caption: Dorsal view
• 
  Species:
  Spatuloricaria caquetae
  
  Caption: Dorsal view
• 
  Species:
  Spatuloricaria evansii
  
  Caption: Dorsal view
• 
  Species:
  Spatuloricaria phelpsi
  
  Caption: Dorsal view
• 
  Species:
  Spatuloricaria sp. (LDA115)
  
  Caption: Dorsal view
• 
  Species:
  Spatuloricaria tuira
  
  Caption: Dorsal view
• 
  Species:
  Spectracanthicus immaculatus
  
  Caption: Dorsal view
• 
  Species:
  Spectracanthicus murinus
  
  Caption: Dorsal view
• 
  Species:
  Spectracanthicus sp. (L254)
  
  Caption: Dorsal View
• 
  Species:
  Sturisoma reisi
  
  Caption: Dorsal view
• 
  Species:
  Sturisomatichthys caquetae
  
  Caption: Dorsal view
• 
  Species:
  Sturisomatichthys citurensis
  
  Caption: Dorsal view
• 
  Species:
  Sturisomatichthys kneri
  
  Caption: Dorsal view
• 
  Species:
  Sturisomatichthys reinae
  
  Caption: Dorsal view
• 
  Species:
  Sturisomatichthys tamanae
  
  Caption: Dorsal view
• 
  Species:
  Transancistrus aequinoctialis
  
  Caption: Dorsal view
• 
  Species:
  Transancistrus santarosensis
  
  Caption: Dorsal view
• 
  Species:
  Yaluwak primus
  
  Caption: Dorsal view
• 
  Species:
  Malapterurus microstoma
  
  Caption: Dorsal view
• 
  Species:
  Atopochilus sp. (1)
  
  Caption: Dorsal View
• 
  Species:
  Atopodontus adriaensi
  
  Caption: Dorsal view
• 
  Species:
  Atopodontus adriaensi
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis anoterus
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis camarabounyi
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis dialloi
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis fortuitus
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis frodobagginsi
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis kabaensis
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis kolente
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis longibarbis
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis mongoensis
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis nzerekore
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis pezoldi
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis polypogon
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis pretoriae
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis sp. (1)
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis tweddlei
  
  Caption: Dorsal view
• 
  Species:
  Chiloglanis waterloti
  
  Caption: Dorsal view
• 
  Species:
  Euchilichthys guentheri
  
  Caption: Dorsal view
• 
  Species:
  Synodontis acanthoperca
  
  Caption: Dorsal view
• 
  Species:
  Synodontis afrofischeri
  
  Caption: Dorsal view
• 
  Species:
  Synodontis angelicus
  
  Caption: Dorsal view
• 
  Species:
  Synodontis annectens
  
  Caption: Dorsal view
• 
  Species:
  Synodontis batesii
  
  Caption: Dorsal view
• 
  Species:
  Synodontis dhonti
  
  Caption: Dorsal view
• 
  Species:
  Synodontis frontosus
  
  Caption: Dorsal view
• 
  Species:
  Synodontis fuelleborni
  
  Caption: Dorsal view
• 
  Species:
  Synodontis laessoei
  
  Caption: Dorsal view
• 
  Species:
  Synodontis matthesi
  
  Caption: Dorsal view
• 
  Species:
  Synodontis melanopterus
  
  Caption: Dorsal view
• 
  Species:
  Synodontis nebulosus
  
  Caption: Dorsal view
• 
  Species:
  Synodontis nigromaculatus
  
  Caption: Dorsal view
• 
  Species:
  Synodontis ornatissimus
  
  Caption: Dorsal view
• 
  Species:
  Synodontis punctulatus
  
  Caption: Dorsal view
• 
  Species:
  Synodontis resupinatus
  
  Caption: Dorsal view
• 
  Species:
  Synodontis rukwaensis
  
  Caption: Dorsal view
• 
  Species:
  Synodontis steindachneri
  
  Caption: Dorsal view
• 
  Species:
  Synodontis tessmanni
  
  Caption: Dorsal view
• 
  Species:
  Synodontis tessmanni
  
  Caption: Dorsal view
• 
  Species:
  Synodontis waterloti
  
  Caption: Dorsal view
• 
  Species:
  Synodontis woosnami
  
  Caption: Dorsal view
• 
  Species:
  Synodontis zanzibaricus
  
  Caption: Dorsal view
• 
  Species:
  Phreatobius dracunculus
  
  Caption: Dorsal view
• 
  Species:
  Aguarunichthys cf. tocantinsensis
  
  Caption: Dorsal view
• 
  Species:
  Brachyplatystoma tigrinum
  
  Caption: Dorsal view
• 
  Species:
  Iheringichthys labrosus
  
  Caption: Dorsal view
• 
  Species:
  Parapimelodus nigribarbis
  
  Caption: Dorsal view
• 
  Species:
  Parapimelodus sp. `MANAUS`
  
  Caption: Dorsal view
• 
  Species:
  Phractocephalus hemioliopterus
  
  Caption: Dorsal view
• 
  Species:
  Pimelodus fur
  
  Caption: Dorsal view
• 
  Species:
  Pimelodus maculatus
  
  Caption: Dorsal view
• 
  Species:
  Pseudoplatystoma fasciatum
  
  Caption: Dorsal view
• 
  Species:
  Sorubim maniradii
  
  Caption: Dorsal view
• 
  Species:
  Steindachneridion doceanum
  
  Caption: Dorsal view
• 
  Species:
  Steindachneridion melanodermatum
  
  Caption: Dorsal view
• 
  Species:
  Steindachneridion parahybae
  
  Caption: Dorsal view
• 
  Species:
  Steindachneridion punctatum
  
  Caption: Dorsal view
• 
  Species:
  Steindachneridion scriptum
  
  Caption: Dorsal view
• 
  Species:
  Zungaro jahu
  
  Caption: Dorsal view
• 
  Species:
  Oloplotosus mariae
  
  Caption: Dorsal view
• 
  Species:
  Plotosus abbreviatus
  
  Caption: Dorsal view
• 
  Species:
  Plotosus papuensis
  
  Caption: Dorsal view
• 
  Species:
  Porochilus obbesi
  
  Caption: Dorsal view
• 
  Species:
  Batrochoglanis acanthochiroides
  
  Caption: Dorsal view
• 
  Species:
  Batrochoglanis transmontanus
  
  Caption: Dorsal view
• 
  Species:
  Batrochoglanis villosus
  
  Caption: Dorsal view
• 
  Species:
  Cruciglanis pacifici
  
  Caption: Dorsal view
• 
  Species:
  Lophiosilurus fowleri
  
  Caption: Dorsal view
• 
  Species:
  Microglanis aff. poecilus
  
  Caption: Dorsal view
• 
  Species:
  Microglanis berbixae
  
  Caption: Dorsal view
• 
  Species:
  Microglanis berbixae
  
  Caption: Dorsal view
• 
  Species:
  Microglanis cibelae
  
  Caption: Dorsal view
• 
  Species:
  Microglanis nigrolineatus
  
  Caption: Dorsal view
• 
  Species:
  Microglanis variegatus
  
  Caption: Dorsal view
• 
  Species:
  Pseudopimelodus aff. bufonius
  
  Caption: Dorsal view
• 
  Species:
  Pseudopimelodus mangurus
  
  Caption: Dorsal view
• 
  Species:
  Rhyacoglanis variolosus
  
  Caption: Dorsal view
• 
  Species:
  Parailia somalensis
  
  Caption: Dorsal view
• 
  Species:
  Schilbe uranoscopus
  
  Caption: Dorsal view
• 
  Species:
  Kryptopterus mononema
  
  Caption: Dorsal view
• 
  Species:
  Kryptopterus palembangensis
  
  Caption: Dorsal view
• 
  Species:
  Ompok hypophthalmus
  
  Caption: Dorsal view
• 
  Species:
  Ompok supernus
  
  Caption: Dorsal view
• 
  Species:
  Pterocryptis gangelica
  
  Caption: Dorsal view
• 
  Species:
  Pterocryptis wynaadensis
  
  Caption: Dorsal view
• 
  Species:
  Silurichthys ligneolus
  
  Caption: Dorsal view
• 
  Species:
  Silurichthys phaiosoma
  
  Caption: Dorsal view
• 
  Species:
  Silurus biwaensis
  
  Caption: Dorsal view
• 
  Species:
  Silurus duanensis
  
  Caption: Dorsal view
• 
  Species:
  Silurus grahami
  
  Caption: Dorsal view
• 
  Species:
  Silurus mento
  
  Caption: Dorsal view
• 
  Species:
  Silurus triostegus
  
  Caption: Dorsal view
• 
  Species:
  Bagarius bagarius
  
  Caption: Dorsal view
• 
  Species:
  Bagarius lica
  
  Caption: Dorsal view
• 
  Species:
  Bagarius suchus
  
  Caption: Dorsal view
• 
  Species:
  Caelatoglanis zonatus
  
  Caption: Dorsal view
• 
  Species:
  Creteuchiloglanis bumdelingensis
  
  Caption: Dorsal view
• 
  Species:
  Creteuchiloglanis gongshanensis
  
  Caption: Dorsal view
• 
  Species:
  Creteuchiloglanis macropterus
  
  Caption: Dorsal view
• 
  Species:
  Erethistes horai
  
  Caption: Dorsal view
• 
  Species:
  Erethistoides longispinis
  
  Caption: Dorsal view
• 
  Species:
  Erethistoides luteola
  
  Caption: Dorsal view
• 
  Species:
  Erethistoides sicula
  
  Caption: Dorsal view
• 
  Species:
  Erethistoides vescula
  
  Caption: Dorsal view
• 
  Species:
  Exostoma berdmorei
  
  Caption: Dorsal view
• 
  Species:
  Exostoma gaoligongense
  
  Caption: Dorsal view
• 
  Species:
  Exostoma mangdechhuense
  
  Caption: Dorsal view
• 
  Species:
  Exostoma tenuicaudatum
  
  Caption: Dorsal view
• 
  Species:
  Glaridoglanis andersonii
  
  Caption: Dorsal view
• 
  Species:
  Glyptosternon oschanini
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax anamalaiensis
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax chavomensis
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax elankadensis
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax exodon
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax filicatus
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax fokiensis
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax fokiensis
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax kashmirensis
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax ketambe
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax lampris
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax laosensis
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax laosensis
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax maceriatus
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax malabarensis
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax malabarensis
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax nieuwenhuisi
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax plectilis
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax pongoensis
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax scrobiculus
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax scrobiculus
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax strabonis
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax striatus
  
  Caption: Dorsal view
• 
  Species:
  Glyptothorax striatus
  
  Caption: Dorsal view
• 
  Species:
  Gogangra viridescens
  
  Caption: Dorsal view
• 
  Species:
  Gogangra viridescens
  
  Caption: Dorsal view
• 
  Species:
  Myersglanis blythii
  
  Caption: Dorsal view
• 
  Species:
  Oreoglanis colurus
  
  Caption: Dorsal view
• 
  Species:
  Oreoglanis heteropogon
  
  Caption: Dorsal view
• 
  Species:
  Oreoglanis laciniosa
  
  Caption: Dorsal view
• 
  Species:
  Oreoglanis nakasathiani
  
  Caption: Dorsal view
• 
  Species:
  Oreoglanis nakasathiani
  
  Caption: Dorsal view
• 
  Species:
  Oreoglanis sudarai
  
  Caption: Dorsal view
• 
  Species:
  Oreoglanis suraswadii
  
  Caption: Dorsal view
• 
  Species:
  Oreoglanis tenuicauda
  
  Caption: Dorsal view
• 
  Species:
  Oreoglanis vicina
  
  Caption: Dorsal view
• 
  Species:
  Parachiloglanis benjii
  
  Caption: Dorsal view
• 
  Species:
  Parachiloglanis benjii
  
  Caption: Dorsal view
• 
  Species:
  Parachiloglanis bhutanensis
  
  Caption: Dorsal view
• 
  Species:
  Parachiloglanis drukyulensis
  
  Caption: Dorsal view
• 
  Species:
  Parachiloglanis drukyulensis
  
  Caption: Dorsal view
• 
  Species:
  Parachiloglanis hodgarti
  
  Caption: Dorsal view
• 
  Species:
  Pseudecheneis eddsi
  
  Caption: Dorsal view
• 
  Species:
  Pseudecheneis intermedius
  
  Caption: Dorsal view
• 
  Species:
  Pseudecheneis longipectoralis
  
  Caption: Dorsal view
• 
  Species:
  Pseudecheneis sp. (2)
  
  Caption: Dorsal view
• 
  Species:
  Pseudecheneis sulcata
  
  Caption: Dorsal view
• 
  Species:
  Pseudecheneis sympelvica
  
  Caption: Dorsal view
• 
  Species:
  Pseudolaguvia austrina
  
  Caption: Dorsal view
• 
  Species:
  Pseudolaguvia ferula
  
  Caption: Dorsal view
• 
  Species:
  Pseudolaguvia flavida
  
  Caption: Dorsal view
• 
  Species:
  Pseudolaguvia foveolata
  
  Caption: Dorsal view
• 
  Species:
  Pseudolaguvia kapuri
  
  Caption: Dorsal View
• 
  Species:
  Pseudolaguvia spicula
  
  Caption: Dorsal view
• 
  Species:
  Pseudolaguvia virgulata
  
  Caption: Dorsal view
• 
  Species:
  Sisor chennuah
  
  Caption: Dorsal view
• 
  Species:
  Sisor rabdophorus
  
  Caption: Dorsal view
• 
  Species:
  Tremeuchiloglanis rhabdura
  
  Caption: Dorsal view
• 
  Species:
  Tremeuchiloglanis salicesbarba
  
  Caption: Dorsal view
• 
  Species:
  Ammoglanis natgeorum
  
  Caption: Dorsal view
• 
  Species:
  Ammoglanis nheengatu
  
  Caption: Dorsal view
• 
  Species:
  Cambeva alphabelardense
  
  Caption: Dorsal view
• 
  Species:
  Cambeva betabelardense
  
  Caption: Dorsal view
• 
  Species:
  Cambeva biseriata
  
  Caption: Dorsal view
• 
  Species:
  Cambeva biseriata
  
  Caption: Dorsal view
• 
  Species:
  Cambeva brachykechenos
  
  Caption: Dorsal view
• 
  Species:
  Cambeva cauim
  
  Caption: Dorsal view
• 
  Species:
  Cambeva chrysornata
  
  Caption: Dorsal view
• 
  Species:
  Cambeva cubataonis
  
  Caption: Dorsal view
• 
  Species:
  Cambeva diatropoporos
  
  Caption: Dorsal view
• 
  Species:
  Cambeva difficilis
  
  Caption: Dorsal view
• 
  Species:
  Cambeva gamabelardense
  
  Caption: Dorsal view
• 
  Species:
  Cambeva guaratuba
  
  Caption: Dorsal view
• 
  Species:
  Cambeva iheringi
  
  Caption: Dorsal view
• 
  Species:
  Cambeva melanoptera
  
  Caption: Dorsal view
• 
  Species:
  Cambeva melanoptera
  
  Caption: Dorsal view
• 
  Species:
  Cambeva perobana
  
  Caption: Dorsal view
• 
  Species:
  Cambeva poikilos
  
  Caption: Dorsal view
• 
  Species:
  Cambeva stawiarski
  
  Caption: Dorsal view
• 
  Species:
  Cambeva ventropapillata
  
  Caption: Dorsal view
• 
  Species:
  Cambeva ytororo
  
  Caption: Dorsal view
• 
  Species:
  Cambeva ytororo
  
  Caption: Dorsal view
• 
  Species:
  Haemomaster venezuelae
  
  Caption: Dorsal view
• 
  Species:
  Hatcheria macraei
  
  Caption: Dorsal view
• 
  Species:
  Henonemus punctatus
  
  Caption: Dorsal view
• 
  Species:
  Ituglanis crispim
  
  Caption: Dorsal view
• 
  Species:
  Ituglanis metae
  
  Caption: Dorsal view
• 
  Species:
  Listrura depinnai
  
  Caption: Dorsal view
• 
  Species:
  Paravandellia alleynei
  
  Caption: Dorsal view
• 
  Species:
  Pseudostegophilus maculatus
  
  Caption: Dorsal view
• 
  Species:
  Rhinotridens chromocaudatus
  
  Caption: Dorsal view
• 
  Species:
  Rhizosomichthys totae
  
  Caption: Dorsal view
• 
  Species:
  Rhizosomichthys totae
  
  Caption: Dorsal view
• 
  Species:
  Scleronema guapa
  
  Caption: Dorsal view
• 
  Species:
  Scleronema guapa
  
  Caption: Dorsal view
• 
  Species:
  Scleronema ibirapuita
  
  Caption: Dorsal view
• 
  Species:
  Scleronema macanuda
  
  Caption: Dorsal view
• 
  Species:
  Scleronema mate
  
  Caption: Dorsal view
• 
  Species:
  Scleronema milonga
  
  Caption: Dorsal view
• 
  Species:
  Scleronema milonga
  
  Caption: Dorsal view
• 
  Species:
  Scleronema minutum
  
  Caption: Dorsal view
• 
  Species:
  Scleronema teiniagua
  
  Caption: Dorsal view
• 
  Species:
  Stegophilus insidiosus
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus banneaui
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus bomboizanus
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus borellii
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus brigadeirensis
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus caparaoensis
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus caratinguensis
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus castelensis
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus espinhacensis
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus gabrieli
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus gabrieli
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus largoperculatus
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus migrans
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus romeroi
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus spegazzinii
  
  Caption: Dorsal view
• 
  Species:
  Trichomycterus spilosoma
  
  Caption: Dorsal view
• 
  Species:
  Tridentopsis brevis
  
  Caption: Dorsal view
• 
  Species:
  Megalechis picta
  
  Caption: Dorsal view - adult male
• 
  Species:
  Hypancistrus zebra
  
  Caption: Dorsal view - eleven day old fry
• 
  Species:
  Ancistrus claro
  
  Caption: Dorsal view - male
• 
  Species:
  Ancistrus sp. (4)
  
  Caption: Dorsal view - male
• 
  Species:
  Ancistrus sp. (L255)
  
  Caption: Dorsal view - male
• 
  Species:
  Clarias batrachus
  
  Caption: Dorsal view - mottled colouration
• 
  Species:
  Hypancistrus zebra
  
  Caption: Dorsal view - nine day old fry
• 
  Species:
  Ancistrus sp. (L255)
  
  Caption: Dorsal view - pair
• 
  Species:
  Limatulichthys griseus
  
  Caption: Dorsal view - Parnaíba River
• 
  Species:
  Panaqolus sp. `ACRE`
  
  Caption: Dorsal view - Rio Amonia near the Brazilian town of Marechal Taumaturgo
• 
  Species:
  Megalodoras uranoscopus
  
  Caption: Dorsal view (315mm SL)
• 
  Species:
  Brachyplatystoma juruense
  
  Caption: Dorsal view (adult)
• 
  Species:
  Clarias batrachus
  
  Caption: Dorsal view (female)
• 
  Species:
  Panaqolus dentex
  
  Caption: Dorsal view (female)
• 
  Species:
  Peckoltia braueri
  
  Caption: Dorsal view (female)
• 
  Species:
  Peckoltia sp. (L080)
  
  Caption: Dorsal view (female)
• 
  Species:
  Clarias batrachus
  
  Caption: Dorsal view (male)
• 
  Species:
  Ancistrus sp. (L393)
  
  Caption: Dorsal view (male)
• 
  Species:
  Panaqolus dentex
  
  Caption: Dorsal view (male)
• 
  Species:
  Peckoltia sp. (L080)
  
  Caption: Dorsal view (male)
• 
  Species:
  Ancistrus sp. `RIO FORMOSO II`
  
  Caption: Dorsal view after capture (female)
• 
  Species:
  Belodontichthys dinema
  
  Caption: Dorsal view fo head
• 
  Species:
  Pterygoplichthys pardalis
  
  Caption: Dorsal view from above water
• 
  Species:
  Synodontis haugi
  
  Caption: Dorsal view juvenile
• 
  Species:
  Synodontis haugi
  
  Caption: Dorsal view juvenile no 2
• 
  Species:
  Hypostomus froehlichi
  
  Caption: Dorsal view of a young 11 cm fish from rio formoso
• 
  Species:
  Pseudacanthicus sp. (L320)
  
  Caption: Dorsal view of adult
• 
  Species:
  Bagrichthys macracanthus
  
  Caption: Dorsal view of adult female
• 
  Species:
  Bagre urumacoensis
  
  Caption: Dorsal view of broken neurocranium
• 
  Species:
  Heteropneustes fuscus
  
  Caption: Dorsal view of cephalic fontanel
• 
  Species:
  Amblydoras nauticus
  
  Caption: Dorsal view of female
• 
  Species:
  Brochiloricaria chauliodon
  
  Caption: Dorsal view of female
• 
  Species:
  Brochiloricaria chauliodon
  
  Caption: Dorsal view of female
• 
  Species:
  Hypancistrus sp. (L070)
  
  Caption: Dorsal view of female
• 
  Species:
  Hypancistrus sp. (L270)
  
  Caption: Dorsal view of female
• 
  Species:
  Hypancistrus sp. (L316)
  
  Caption: Dorsal view of female
• 
  Species:
  Pseudacanthicus pirarara
  
  Caption: Dorsal view of female
• 
  Species:
  Pseudacanthicus sp. (LDA105)
  
  Caption: Dorsal view of female
• 
  Species:
  Pseudolithoxus dumus
  
  Caption: Dorsal view of female
• 
  Species:
  Rineloricaria sp. (7)
  
  Caption: Dorsal view of female
• 
  Species:
  Leporacanthicus cf. galaxias(l241)
  
  Caption: Dorsal view of female (narrower head)
• 
  Species:
  Loricaria simillima
  
  Caption: Dorsal view of four month old youngsters
• 
  Species:
  Farlowella platorynchus
  
  Caption: Dorsal view of fry
• 
  Species:
  Dekeyseria amazonica
  
  Caption: Dorsal view of group
• 
  Species:
  Breitensteinia insignis
  
  Caption: Dorsal view of head
• 
  Species:
  Breitensteinia insignis
  
  Caption: Dorsal view of head
• 
  Species:
  Cathorops aguadulce
  
  Caption: Dorsal view of head
• 
  Species:
  Cathorops belizensis
  
  Caption: Dorsal view of head
• 
  Species:
  Cathorops higuchii
  
  Caption: Dorsal view of head
• 
  Species:
  Cathorops kailolae
  
  Caption: Dorsal view of head
• 
  Species:
  Cathorops melanopus
  
  Caption: Dorsal view of head
• 
  Species:
  Osteogeneiosus militaris
  
  Caption: Dorsal view of head
• 
  Species:
  Astroblepus pholeter
  
  Caption: Dorsal view of head
• 
  Species:
  Ageneiosus magoi
  
  Caption: Dorsal view of head
• 
  Species:
  Trachelyopterus ceratophysus
  
  Caption: Dorsal view of head
• 
  Species:
  Parauchenoglanis punctatus
  
  Caption: Dorsal view of head
• 
  Species:
  Hemibagrus olyroides
  
  Caption: Dorsal view of head
• 
  Species:
  Pseudomystus stenogrammus
  
  Caption: Dorsal view of head
• 
  Species:
  Clariallabes melas
  
  Caption: Dorsal view of head
• 
  Species:
  Dolichallabes microphthalmus
  
  Caption: Dorsal view of head
• 
  Species:
  Gymnallabes typus
  
  Caption: Dorsal view of head
• 
  Species:
  Gymnallabes typus
  
  Caption: Dorsal view of head
• 
  Species:
  Chrysichthys delhezi
  
  Caption: Dorsal view of head
• 
  Species:
  Chrysichthys laticeps
  
  Caption: Dorsal view of head
• 
  Species:
  Chrysichthys longibarbis
  
  Caption: Dorsal view of head
• 
  Species:
  Chrysichthys punctatus
  
  Caption: Dorsal view of head
• 
  Species:
  Chrysichthys thonneri
  
  Caption: Dorsal view of head
• 
  Species:
  Hemidoras stenopeltis
  
  Caption: Dorsal view of head
• 
  Species:
  Acestridium discus
  
  Caption: Dorsal view of head
• 
  Species:
  Ancistrus cryptophthalmus
  
  Caption: Dorsal view of head
• 
  Species:
  Ancistrus macrophthalmus
  
  Caption: Dorsal view of head
• 
  Species:
  Ancistrus sp. (L327)
  
  Caption: Dorsal view of head
• 
  Species:
  Hypostomus coppenamensis
  
  Caption: Dorsal view of head
• 
  Species:
  Hypostomus latifrons
  
  Caption: Dorsal view of head
• 
  Species:
  Hypostomus sp. (L087)
  
  Caption: Dorsal view of head
• 
  Species:
  Loricaria luciae
  
  Caption: Dorsal view of head
• 
  Species:
  Loricariichthys hauxwelli
  
  Caption: Dorsal view of head
• 
  Species:
  Loricariichthys hauxwelli
  
  Caption: Dorsal view of head
• 
  Species:
  Loricariichthys platymetopon
  
  Caption: Dorsal view of head
• 
  Species:
  Panaqolus nocturnus
  
  Caption: Dorsal view of head
• 
  Species:
  Peckoltia lujani
  
  Caption: Dorsal view of head
• 
  Species:
  Pseudancistrus papariae
  
  Caption: Dorsal view of head
• 
  Species:
  Rineloricaria sp. (5)
  
  Caption: Dorsal view of head
• 
  Species:
  Scobinancistrus aureatus
  
  Caption: Dorsal view of head
• 
  Species:
  Chiloglanis sp. `SENGA BAY`(1)
  
  Caption: Dorsal view of head
• 
  Species:
  Chiloglanis sp. `SENGA BAY`(2)
  
  Caption: Dorsal view of head
• 
  Species:
  Synodontis aterrimus
  
  Caption: Dorsal view of head
• 
  Species:
  Synodontis velifer
  
  Caption: Dorsal view of head
• 
  Species:
  Platysilurus mucosus
  
  Caption: Dorsal view of head
• 
  Species:
  Platystomatichthys sturio
  
  Caption: Dorsal view of head
• 
  Species:
  Pseudoplatystoma reticulatum
  
  Caption: Dorsal view of head
• 
  Species:
  Silurus glanis
  
  Caption: Dorsal view of head
• 
  Species:
  Bagarius lica
  
  Caption: Dorsal view of head
• 
  Species:
  Henonemus punctatus
  
  Caption: Dorsal view of head
• 
  Species:
  Microglanis reikoae
  
  Caption: Dorsal view of head, showing distinctive nostrils
• 
  Species:
  Akysis clinatus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Akysis microps
  
  Caption: Dorsal view of holotype
• 
  Species:
  Akysis patrator
  
  Caption: Dorsal view of holotype
• 
  Species:
  Pseudobagarius eustictus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Batasio tigrinus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Hemibagrus divaricatus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Hemibagrus lacustrinus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Hemibagrus semotus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Mystus celator
  
  Caption: Dorsal view of holotype
• 
  Species:
  Mystus zeylanicus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Pseudomystus bomboides
  
  Caption: Dorsal view of holotype
• 
  Species:
  Pseudomystus fumosus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Pseudomystus tuberosus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Encheloclarias kelioides
  
  Caption: Dorsal view of holotype
• 
  Species:
  Ancistrus formoso
  
  Caption: Dorsal view of holotype
• 
  Species:
  Pseudancistrus reus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Transancistrus santarosensis
  
  Caption: Dorsal view of holotype
• 
  Species:
  Chiloglanis igamba
  
  Caption: Dorsal view of holotype
• 
  Species:
  Chiloglanis kazumbei
  
  Caption: Dorsal view of holotype
• 
  Species:
  Chiloglanis orthodontus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Ompok karunkodu
  
  Caption: Dorsal view of holotype
• 
  Species:
  Silurichthys exortivus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Conta pectinata
  
  Caption: Dorsal view of holotype
• 
  Species:
  Erethistes longissimus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Exostoma effrenum
  
  Caption: Dorsal view of holotype
• 
  Species:
  Exostoma ericinum
  
  Caption: Dorsal view of holotype
• 
  Species:
  Exostoma peregrinator
  
  Caption: Dorsal view of holotype
• 
  Species:
  Glaridoglanis ramosa
  
  Caption: Dorsal view of holotype
• 
  Species:
  Glyptothorax decussatus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Glyptothorax famelicus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Glyptothorax forabilis
  
  Caption: Dorsal view of holotype
• 
  Species:
  Glyptothorax irroratus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Glyptothorax keluk
  
  Caption: Dorsal view of holotype
• 
  Species:
  Glyptothorax pictus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Glyptothorax porrectus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Glyptothorax prionotos
  
  Caption: Dorsal view of holotype
• 
  Species:
  Glyptothorax radiolus
  
  Caption: Dorsal view of holotype
• 
  Species:
  Gogangra laevis
  
  Caption: Dorsal view of holotype
• 
  Species:
  Oreoglanis brevicula
  
  Caption: Dorsal view of holotype
• 
  Species:
  Pseudolaguvia assula
  
  Caption: Dorsal view of holotype
• 
  Species:
  Pseudolaguvia fucosa
  
  Caption: Dorsal view of holotype
• 
  Species:
  Pseudolaguvia inornata
  
  Caption: Dorsal view of holotype
• 
  Species:
  Pseudolaguvia nubila
  
  Caption: Dorsal view of holotype
• 
  Species:
  Pseudolaguvia viriosa
  
  Caption: Dorsal view of holotype
• 
  Species:
  Oxydoras niger
  
  Caption: Dorsal view of juvenile
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Dorsal view of juvenile
• 
  Species:
  Pseudacanthicus sp. (L320)
  
  Caption: Dorsal view of juvenile
• 
  Species:
  Rhinotocinclus isabelae
  
  Caption: Dorsal view of juvenile (1.5cm TL)
• 
  Species:
  Lophiobagrus brevispinis
  
  Caption: Dorsal view of male
• 
  Species:
  Brochiloricaria chauliodon
  
  Caption: Dorsal view of male
• 
  Species:
  Hypancistrus sp. (L070)
  
  Caption: Dorsal view of male
• 
  Species:
  Hypancistrus sp. (L316)
  
  Caption: Dorsal view of male
• 
  Species:
  Pseudolithoxus dumus
  
  Caption: Dorsal view of male
• 
  Species:
  Rineloricaria sp. `LORETO`
  
  Caption: Dorsal view of male
• 
  Species:
  Rineloricaria wolfei
  
  Caption: Dorsal view of male
• 
  Species:
  Leporacanthicus cf. galaxias(l241)
  
  Caption: Dorsal view of male (broader head)
• 
  Species:
  Sturisomatichthys reinae
  
  Caption: Dorsal view of male's bristles
• 
  Species:
  Rineloricaria sp. (7)
  
  Caption: Dorsal view of males
• 
  Species:
  Ariopsis ariopsilus
  
  Caption: Dorsal view of neurocranium and nuchal plate
• 
  Species:
  Sciades latissimum
  
  Caption: Dorsal view of neurocranium and nuchal plate
• 
  Species:
  Sciades peregrinus
  
  Caption: Dorsal view of neurocranium and nuchal plate
• 
  Species:
  Orinocodoras eigenmanni
  
  Caption: Dorsal view of pair
• 
  Species:
  Gastrodermus elegans
  
  Caption: Dorsal view of pair - female below
• 
  Species:
  Brochis (sub-clade 3) agassizii
  
  Caption: Dorsal view of plates on head
• 
  Species:
  Amphiarius paleoorinocoensis
  
  Caption: Dorsal view of posterior portion of skull
• 
  Species:
  Pseudomystus heokhuii
  
  Caption: Dorsal view of preserved specimen
• 
  Species:
  Panaqolus gnomus
  
  Caption: Dorsal view of preserved specimen
• 
  Species:
  Synodontis zambezensis
  
  Caption: Dorsal view of preserved specimen
• 
  Species:
  Leiarius perruno
  
  Caption: Dorsal view of preserved specimen
• 
  Species:
  Chaetostoma tachiraense
  
  Caption: Dorsal view of preserved specimen (flipped)
• 
  Species:
  Farlowella azpelicuetae
  
  Caption: Dorsal view of snout with marbled coloration
• 
  Species:
  Pseudoplatystoma tigrinum
  
  Caption: Dorsal view of sub-adult
• 
  Species:
  Peckoltia sabaji
  
  Caption: Dorsal view of twenty two day old
• 
  Species:
  Lamontichthys llanero
  
  Caption: Dorsal view of upper body
• 
  Species:
  Synodontis violaceus
  
  Caption: Dorsal view of upper body
• 
  Species:
  Phyllonemus typus
  
  Caption: Dorsal view showing barbels
• 
  Species:
  Ancistomus sp. (L424)
  
  Caption: Dorsal view showing size
• 
  Species:
  Trachelyopterus albicrux
  
  Caption: Dorsal view showing white cross marking
• 
  Species:
  Brachyrhamdia thayeria
  
  Caption: Dorsal view with Corydoras arcuatus
• 
  Species:
  Synodontis longirostris
  
  Caption: Dorsal view-250 mm SL
• 
  Species:
  Panaqolus sp. (L374)
  
  Caption: Dorsal view-nine months
• 
  Species:
  Chaetostoma microps
  
  Caption: Dorsal view, climbing. From Hoese, Addison, Toulkeridis, & Toomey III
• 
  Species:
  Hemibagrus capitulum
  
  Caption: Dorsal view, holotype of Hemibagrus chrysops
• 
  Species:
  Pseudancistrus kwinti
  
  Caption: Dorsal view, male
• 
  Species:
  Spatuloricaria puganensis
  
  Caption: Dorsal view, Peru, Cajamarca Region, Rio Chotano
• 
  Species:
  Microglanis malabarbai
  
  Caption: Dorsal view, Province of Corrientes, Argentina,
• 
  Species:
  Peckoltia sp. `RIO NEGRO II`
  
  Caption: Dorsal view, sexing (left, females; right, male)
• 
  Species:
  Rita gogra
  
  Caption: Dorsal view.
• 
  Species:
  Glyptothorax cf. pectinopterus
  
  Caption: Dorsal view.
• 
  Species:
  Glyptothorax cf. pectinopterus
  
  Caption: Dorsal view.
• 
  Species:
  Chaetostoma sovichthys
  
  Caption: Dorsal view. Catutumbo basin
• 
  Species:
  Ancistrus martini
  
  Caption: Dorsal view. Photo, Nathan Lujan
• 
  Species:
  Hypostomus hemiurus
  
  Caption: Dorsal view. Photo: Andrew Snyder
• 
  Species:
  Ancistrus patronus
  
  Caption: Dorsal view. Photo: Nathan Lujan
• 
  Species:
  Microglanis parahybae
  
  Caption: Drawing from original description; dorsal view
• 
  Species:
  Chaetostoma branickii
  
  Caption: Ecuador; Dorsal view
• 
  Species:
  Kryptopterus vitreolus
  
  Caption: F1 - Dorsal view
• 
  Species:
  Chaetostoma formosae
  
  Caption: Female - dorsal view
• 
  Species:
  Rineloricaria langei
  
  Caption: Female - dorsal view
• 
  Species:
  Rineloricaria maacki
  
  Caption: Female - dorsal view
• 
  Species:
  Epactionotus bilineatus
  
  Caption: Female, dorsal view
• 
  Species:
  Pareiorhaphis hystrix
  
  Caption: Female, dorsal view
• 
  Species:
  Rineloricaria daraha
  
  Caption: Female, dorsal view
• 
  Species:
  Rineloricaria sp. `ARGENTINA`
  
  Caption: Female, Dorsal view
• 
  Species:
  Hoplisoma concolor
  
  Caption: Fry, Dorsal view
• 
  Species:
  Rhinotocinclus sp. `RIO CAQUETA`
  
  Caption: Gravid female, dorsal view
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Green Dragon Veiltail - Dorsal view
• 
  Species:
  Pseudohemiodon platycephalus
  
  Caption: Head, Dorsal view
• 
  Species:
  Dupouyichthys sapito
  
  Caption: Holotype (USNM 121072), 23 mm, Dorsal view
• 
  Species:
  Microglanis ater
  
  Caption: Holotype (ZMB 20932), dorsal view
• 
  Species:
  Ancistrus amaris
  
  Caption: Holotype dorsal view
• 
  Species:
  Ancistrus falconensis
  
  Caption: Holotype specimen - dorsal view
• 
  Species:
  Harttia merevari
  
  Caption: Holotype, 99.4 mm SL, dorsal view
• 
  Species:
  Ernstichthys taquari
  
  Caption: Holotype, dorsal view
• 
  Species:
  Pseudobunocephalus timbira
  
  Caption: Holotype, dorsal view
• 
  Species:
  Xyliphius anachoretes
  
  Caption: Holotype, Dorsal view
• 
  Species:
  Centromochlus akwe
  
  Caption: Holotype, dorsal view
• 
  Species:
  Tatia caudosignata
  
  Caption: Holotype, dorsal view
• 
  Species:
  Olyra astrifera
  
  Caption: Holotype, dorsal view
• 
  Species:
  Tachysurus latifrontalis
  
  Caption: Holotype, dorsal view
• 
  Species:
  Brochis (sub-clade 3) brittoi
  
  Caption: Holotype, dorsal view
• 
  Species:
  Hoplisoma apiaka
  
  Caption: Holotype, dorsal view
• 
  Species:
  Hoplisoma pavanelliae
  
  Caption: Holotype, dorsal view
• 
  Species:
  Pseudotanganikallabes prognatha
  
  Caption: Holotype, dorsal view
• 
  Species:
  Pardiglanis tarabinii
  
  Caption: Holotype, dorsal view
• 
  Species:
  Cetopsorhamdia clathrata
  
  Caption: Holotype, dorsal view
• 
  Species:
  Cetopsorhamdia hidalgoi
  
  Caption: Holotype, dorsal view
• 
  Species:
  Cetopsorhamdia spilopleura
  
  Caption: Holotype, dorsal view
• 
  Species:
  Leptorhamdia aspredinoides
  
  Caption: Holotype, dorsal view
• 
  Species:
  Mastiglanis yaguas
  
  Caption: Holotype, dorsal view
• 
  Species:
  Pimelodella longibarbata
  
  Caption: Holotype, dorsal view
• 
  Species:
  Pimelodella yaharo
  
  Caption: Holotype, dorsal view
• 
  Species:
  Heteropneustes fuscus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Noturus maydeni
  
  Caption: Holotype, dorsal view
• 
  Species:
  Ancistrus kellerae
  
  Caption: Holotype, dorsal view
• 
  Species:
  Ancistrus leoni
  
  Caption: Holotype, dorsal view
• 
  Species:
  Ancistrus saudades
  
  Caption: Holotype, dorsal view
• 
  Species:
  Ancistrus yutajae
  
  Caption: Holotype, dorsal view
• 
  Species:
  Chaetostoma chimu
  
  Caption: Holotype, dorsal view
• 
  Species:
  Cordylancistrus tayrona
  
  Caption: Holotype, dorsal view
• 
  Species:
  Corumbataia acanthodela
  
  Caption: Holotype, dorsal view
• 
  Species:
  Curculionichthys insperatus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Epactionotus advenus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Farlowella altocorpus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Farlowella gianetii
  
  Caption: Holotype, dorsal view
• 
  Species:
  Farlowella wuyjugu
  
  Caption: Holotype, dorsal view
• 
  Species:
  Farlowella yarigui
  
  Caption: Holotype, dorsal view
• 
  Species:
  Hemiancistrus furtivus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Hypancistrus margaritatus
  
  Caption: Holotype, Dorsal view
• 
  Species:
  Hypancistrus phantasma
  
  Caption: Holotype, Dorsal view
• 
  Species:
  Hypostomus ericae
  
  Caption: Holotype, dorsal view
• 
  Species:
  Hypostomus multidens
  
  Caption: Holotype, dorsal view
• 
  Species:
  Hypostomus robertsoni
  
  Caption: Holotype, dorsal view
• 
  Species:
  Otocinclus mangaba
  
  Caption: Holotype, dorsal view
• 
  Species:
  Parotocinclus jacksoni
  
  Caption: Holotype, dorsal view
• 
  Species:
  Parotocinclus nandae
  
  Caption: Holotype, dorsal view
• 
  Species:
  Rhinotocinclus hera
  
  Caption: Holotype, dorsal view
• 
  Species:
  Rineloricaria aurata
  
  Caption: Holotype, dorsal view
• 
  Species:
  Spectracanthicus javae
  
  Caption: Holotype, dorsal view
• 
  Species:
  Spectracanthicus tocantinensis
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microsynodontis armatus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microsynodontis laevigatus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microsynodontis notatus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Iheringichthys syi
  
  Caption: Holotype, dorsal view
• 
  Species:
  Batrochoglanis melanurus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis ater
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis carlae
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis eurystoma
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis garavelloi
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis iheringi
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis leniceae
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis leptostriatus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis lundbergi
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis maculatus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis malabarbai
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis minutus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis nigripinnis
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis oliveirai
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis pataxo
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis pleriqueater
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis reikoae
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis robustus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis sparsus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis xerente
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis xylographicus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Microglanis zonatus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Pseudopimelodus atricaudus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Pseudopimelodus magnus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Rhyacoglanis annulatus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Rhyacoglanis beninei
  
  Caption: Holotype, dorsal view
• 
  Species:
  Rhyacoglanis epiblepsis
  
  Caption: Holotype, dorsal view
• 
  Species:
  Rhyacoglanis paranensis
  
  Caption: Holotype, dorsal view
• 
  Species:
  Rhyacoglanis seminiger
  
  Caption: Holotype, dorsal view
• 
  Species:
  Rhyacoglanis varii
  
  Caption: Holotype, dorsal view
• 
  Species:
  Erethistes koladynensis
  
  Caption: Holotype, dorsal view
• 
  Species:
  Erethistes spinulus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Glyptothorax distichus
  
  Caption: Holotype, dorsal view
• 
  Species:
  Oreoglanis omkoiensis
  
  Caption: Holotype, dorsal view
• 
  Species:
  Pseudecheneis nagalandensis
  
  Caption: Holotype, dorsal view
• 
  Species:
  Cambeva atrobrunnea
  
  Caption: Holotype, dorsal view
• 
  Species:
  Cambeva flavopicta
  
  Caption: Holotype, dorsal view
• 
  Species:
  Cambeva galactica
  
  Caption: Holotype, dorsal view
• 
  Species:
  Cambeva luteoreticulata
  
  Caption: Holotype, dorsal view
• 
  Species:
  Cambeva rotundipinna
  
  Caption: Holotype, dorsal view
• 
  Species:
  Paracanthopoma saci
  
  Caption: Holotype, dorsal view
• 
  Species:
  Trichogenes beagle
  
  Caption: Holotype, dorsal view
• 
  Species:
  Trichomycterus lauzannii
  
  Caption: Holotype, dorsal view
• 
  Species:
  Astroblepus cacharas
  
  Caption: Holotype, dorsal view of head
• 
  Species:
  Peckoltia otali
  
  Caption: Holotype, dorsal view, 76.5 mm SL
• 
  Species:
  Rhadinoloricaria stewarti
  
  Caption: Holotype, dorsal view.
• 
  Species:
  Rhinotocinclus bockmanni
  
  Caption: Holotype, dorsal view. Female, 21.9mm SL
• 
  Species:
  Trichomycterus rosablanca
  
  Caption: Holotype, dorsal view. Photo by Felipe Villegas
• 
  Species:
  Ancistrus patronus
  
  Caption: Holotype, dorsal view. Photo: Nathan Lujan
• 
  Species:
  Pareiorhaphis vetula
  
  Caption: Holotype, male, dorsal view
• 
  Species:
  Rineloricaria isaaci
  
  Caption: Holotype, male, dorsal view
• 
  Species:
  Ferrarissoaresia meridionalis
  
  Caption: Holotype, male; Dorsal view
• 
  Species:
  Hoplisoma froehlichi
  
  Caption: Holotype; dorsal view
• 
  Species:
  Heptapterus carnatus
  
  Caption: Holotype. Dorsal view. Bar = 1cm
• 
  Species:
  Heptapterus exilis
  
  Caption: Holotype. Dorsal view. Bar = 1cm
• 
  Species:
  Tatia akroa
  
  Caption: Holotype. Male. Dorsal view
• 
  Species:
  Auchenoglanis tchadiensis
  
  Caption: Juvenile - Dorsal View
• 
  Species:
  Sorubimichthys planiceps
  
  Caption: Juvenile - dorsal view
• 
  Species:
  Farlowella platorynchus
  
  Caption: Juvenile dorsal view
• 
  Species:
  Andeancistrus platycephalus
  
  Caption: Juvenile, Dorsal view
• 
  Species:
  Hypancistrus sp. `RIO GUAVIARE`
  
  Caption: Juvenile, Dorsal view
• 
  Species:
  Trichomycterus vitalbrazili
  
  Caption: Juvenile, dorsal view
• 
  Species:
  Chaca chaca
  
  Caption: Juveniles, four months old; Dorsal view
• 
  Species:
  Pseudohemiodon sp. `MARBLED`
  
  Caption: Juveniles; Dorsal view
• 
  Species:
  Spectracanthicus punctatissimus
  
  Caption: L030 dorsal view of head
• 
  Species:
  Spectracanthicus punctatissimus
  
  Caption: L030 dorsal view of head
• 
  Species:
  Spectracanthicus punctatissimus
  
  Caption: L030 dorsal view of head
• 
  Species:
  Dekeyseria picta
  
  Caption: L168, dorsal view
• 
  Species:
  Pseudolithoxus kinja
  
  Caption: L385, Dorsal view
• 
  Species:
  Chaetostoma sacramento
  
  Caption: L455, dorsal view
• 
  Species:
  Pseudolithoxus kinja
  
  Caption: L492, Dorsal view
• 
  Species:
  Pterobunocephalus depressus
  
  Caption: Light color variant, Dorsal view
• 
  Species:
  Ancistrus kellerae
  
  Caption: Live coloration, dorsal view
• 
  Species:
  Ancistrus leoni
  
  Caption: Live coloration, dorsal view
• 
  Species:
  Ancistrus lithurgicus
  
  Caption: Live coloration, dorsal view
• 
  Species:
  Ancistrus saudades
  
  Caption: Live coloration, dorsal view
• 
  Species:
  Microglanis lucenai
  
  Caption: Live specimen, dorsal view
• 
  Species:
  Peckoltia sp. (L140)
  
  Caption: Male - dorsal view
• 
  Species:
  Rineloricaria langei
  
  Caption: Male - dorsal view
• 
  Species:
  Rineloricaria maacki
  
  Caption: Male - dorsal view
• 
  Species:
  Ferrarissoaresia ferrarisi
  
  Caption: Male (Dorsal view of holotype)
• 
  Species:
  Scleromystax macropterus
  
  Caption: Male (dorsal view)
• 
  Species:
  Hemiancistrus guahiborum
  
  Caption: Male & female, dorsal view
• 
  Species:
  Epactionotus bilineatus
  
  Caption: Male, dorsal view
• 
  Species:
  Rineloricaria daraha
  
  Caption: Male, dorsal view
• 
  Species:
  Rineloricaria sp. `ARGENTINA`
  
  Caption: Male, Dorsal view
• 
  Species:
  Bunocephalus verrucosus
  
  Caption: Manaus; Dorsal view
• 
  Species:
  Hypostomus subcarinatus
  
  Caption: MCNIP 1103, Dorsal view
• 
  Species:
  Cordylancistrus pijao
  
  Caption: Middle Magdalena, Antioquia Dept. Dorsal view
• 
  Species:
  Mastiglanis sp. (2)
  
  Caption: MUSM 55055, Holotype, dorsal view
• 
  Species:
  Erethistes hara
  
  Caption: Neotype, dorsal view
• 
  Species:
  Microglanis poecilus
  
  Caption: Original figure in Eigenmann (1912). Dorsal view
• 
  Species:
  Hypostomus multidens
  
  Caption: Paratype, dorsal view
• 
  Species:
  Microglanis garavelloi
  
  Caption: Paratype, dorsal view
• 
  Species:
  Cambeva atrobrunnea
  
  Caption: Paratype, dorsal view
• 
  Species:
  Cambeva galactica
  
  Caption: Paratype, dorsal view
• 
  Species:
  Cambeva luteoreticulata
  
  Caption: Paratype, dorsal view
• 
  Species:
  Cambeva rotundipinna
  
  Caption: Paratype, dorsal view
• 
  Species:
  Pareiorhaphis vetula
  
  Caption: Paratype, female, dorsal view
• 
  Species:
  Ferrarissoaresia meridionalis
  
  Caption: Paratype, female; Dorsal view
• 
  Species:
  Microglanis aff. iheringi
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis aff. iheringi
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis parahybae
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis poecilus
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis poecilus
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis secundus
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis secundus
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis variegatus
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Erethistes nareshi
  
  Caption: Pectoral fin spine, dorsal view
• 
  Species:
  Microglanis berbixae
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis carlae
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis cottoides
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis garavelloi
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis leniceae
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis lundbergi
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis minutus
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis nigrolineatus
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis oliveirai
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis parahybae
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis pataxo
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis pleriqueater
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis reikoae
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis robustus
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis sparsus
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis xerente
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis xylographicus
  
  Caption: Pectoral fin spine, dorsal view. Bar = 1mm
• 
  Species:
  Microglanis zonatus
  
  Caption: Pectoral fin spine, dorsal view. From Eigenmann & Allen
• 
  Species:
  Microglanis maculatus
  
  Caption: Pectoral fin spine, dorsal view. Holotype & paratype.
• 
  Species:
  Microglanis pellopterygius
  
  Caption: Pectoral fin spine, dorsal view. Variation.
• 
  Species:
  Leptorhamdia aspredinoides
  
  Caption: Pectoral spine, dorsal view
• 
  Species:
  Rhyacoglanis annulatus
  
  Caption: Pectoral spine, dorsal view
• 
  Species:
  Rhyacoglanis epiblepsis
  
  Caption: Pectoral spine, dorsal view. Bar = 2mm
• 
  Species:
  Rhyacoglanis paranensis
  
  Caption: Pectoral spine, dorsal view. Bar = 2mm
• 
  Species:
  Rhyacoglanis pulcher
  
  Caption: Pectoral spine, dorsal view. Bar = 2mm
• 
  Species:
  Rhyacoglanis seminiger
  
  Caption: Pectoral spine, dorsal view. Bar = 2mm
• 
  Species:
  Rhyacoglanis varii
  
  Caption: Pectoral-fin spine, dorsal view. Bar = 1.0 mm
• 
  Species:
  Rhyacoglanis beninei
  
  Caption: Pectoral-fin spine, dorsal view. Bar = 2.0 mm
• 
  Species:
  Rhyacoglanis pulcher
  
  Caption: Pectoral-fin spine, dorsal view. Bar = 2.0 mm
• 
  Species:
  Loricariichthys hauxwelli
  
  Caption: Posterior dorsal view
• 
  Species:
  Lasiancistrus caucanus
  
  Caption: Preserved specimen - Dorsal view
• 
  Species:
  Bagarius bagarius
  
  Caption: Puri, Main canal - dorsal view
• 
  Species:
  Ernstichthys anduzei
  
  Caption: Rio Apure (ANSP198898), Dorsal view
• 
  Species:
  Dentectus barbarmatus
  
  Caption: Rio Apure, 114.5mm SL (ANSP198883), Dorsal view
• 
  Species:
  Pseudohemiodon unillano
  
  Caption: Rio Apure, 130.6mm SL (ANSP198882), Dorsal view
• 
  Species:
  Loricariichthys brunneus
  
  Caption: Rio Apure, 173.4mm SL (ANSP198885), Dorsal view
• 
  Species:
  Sturisoma tenuirostre
  
  Caption: Rio Apure, 207mm SL (ANSP198951_t4733), Dorsal view
• 
  Species:
  Rhadinoloricaria sp. `RIO APURE`
  
  Caption: Rio Apure, 81.1mm SL (ANSP198917), Dorsal view
• 
  Species:
  Malacoglanis gelatinosus
  
  Caption: Rio Ariporo, dorsal view
• 
  Species:
  Rhyacoglanis aff. pulcher
  
  Caption: Rio Chamaya. Dorsal view
• 
  Species:
  Hypostomus ancistroides
  
  Caption: Rio Jau, Brazil. Dorsal view
• 
  Species:
  Lasiancistrus guacharote
  
  Caption: Rio Peralonso near Cornejo, Colombia. Dorsal view
• 
  Species:
  Rhyacoglanis pulcher
  
  Caption: Rio Villano, Dorsal view
• 
  Species:
  Pseudopimelodus aff. bufonius `rio xingu`
  
  Caption: Rio Xingu - 84mm SL - Dorsal view
• 
  Species:
  Scleronema minutum
  
  Caption: Rio Yaguaron, Uruguay; Dorsal view
• 
  Species:
  Trichomycterus brasiliensis
  
  Caption: Small tributary, Paraopeba. Dorsal view
• 
  Species:
  Hypostomus hermanni
  
  Caption: Topotype, dorsal view
• 
  Species:
  Pseudoplatystoma sp. hybrid(4)
  
  Caption: Two year old, dorsal view (18" SL)
• 
  Species:
  Microglanis cottoides
  
  Caption: UFRGS 20930, Biguacu basin, Antonio Carlos, SC, Brazil. Dorsal view
• 
  Species:
  Trichomycterus sp. `JIBOIA`
  
  Caption: UFRN 14676, 51.77 mm SL, dorsal view
• 
  Species:
  Synodontis nigriventris
  
  Caption: Zebra Kutu variant-dorsal view