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• 
  Species:
  Pseudoplatystoma punctifer
  
  Caption: P. tigrinum (above) and P. punctifer
• 
  Species:
  Tatia dunni
  
  Caption: Pair
• 
  Species:
  Mystus gulio
  
  Caption: Pair
• 
  Species:
  Aspidoras sp. (C035)
  
  Caption: Pair
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Pair
• 
  Species:
  Hisonotus aky
  
  Caption: Pair
• 
  Species:
  Pseudohemiodon apithanos
  
  Caption: Pair
• 
  Species:
  Rineloricaria sp. `BARCELOS`
  
  Caption: Pair
• 
  Species:
  Rineloricaria teffeana
  
  Caption: Pair
• 
  Species:
  Mystus vittatus
  
  Caption: Pair - female above
• 
  Species:
  Pseudomystus siamensis
  
  Caption: Pair - female above
• 
  Species:
  Pseudomystus siamensis
  
  Caption: Pair - female above
• 
  Species:
  Agamyxis pectinifrons
  
  Caption: Pair - female above
• 
  Species:
  Brachyrhamdia sp. (1)
  
  Caption: Pair - female above
• 
  Species:
  Goeldiella eques
  
  Caption: Pair - female above
• 
  Species:
  Synodontis notatus
  
  Caption: Pair - female above
• 
  Species:
  Pseudopimelodus bufonius
  
  Caption: Pair - female above
• 
  Species:
  Schilbe intermedius
  
  Caption: Pair - female above
• 
  Species:
  Auchenipterichthys coracoideus
  
  Caption: Pair - female below
• 
  Species:
  Megalechis picta
  
  Caption: Pair - female below
• 
  Species:
  Chrysichthys brachynema
  
  Caption: Pair - female below
• 
  Species:
  Megalodoras uranoscopus
  
  Caption: Pair - female below
• 
  Species:
  Rineloricaria lanceolata
  
  Caption: Pair - female below
• 
  Species:
  Sturisoma barbatum
  
  Caption: Pair - female below
• 
  Species:
  Sturisomatichthys reinae
  
  Caption: Pair - female below
• 
  Species:
  Synodontis pleurops
  
  Caption: Pair - female below
• 
  Species:
  Ompok eugeneiatus
  
  Caption: Pair - female below
• 
  Species:
  Delturus sp. (1)
  
  Caption: Pair - female in foregound
• 
  Species:
  Amaralia hypsiura
  
  Caption: Pair - female on left
• 
  Species:
  Synodontis lucipinnis
  
  Caption: Pair - female on left
• 
  Species:
  Ancistrus ranunculus
  
  Caption: Pair - female on right
• 
  Species:
  Osteogaster venezuelanus
  
  Caption: Pair - female to rear
• 
  Species:
  Synodontis sp. `POLLI WHITE`
  
  Caption: Pair - female to right
• 
  Species:
  Synodontis sp. `POLLI WHITE`
  
  Caption: Pair - female to right
• 
  Species:
  Hypancistrus zebra
  
  Caption: Pair - female top
• 
  Species:
  Peckoltia lujani
  
  Caption: Pair - male on right
• 
  Species:
  Peckoltia lujani
  
  Caption: Pair - male on top
• 
  Species:
  Cetopsis sandrae
  
  Caption: Pair - male to front
• 
  Species:
  Panaqolus dentex
  
  Caption: Pair (female - right)
• 
  Species:
  Peckoltia sabaji
  
  Caption: Pair (female - right)
• 
  Species:
  Hoplisoma hypnos
  
  Caption: Pair (female right)
• 
  Species:
  Hypancistrus debilittera
  
  Caption: Pair (female right)
• 
  Species:
  Hoplisoma diphyes
  
  Caption: Pair (female to left)
• 
  Species:
  Hoplisoma sp. (C121)
  
  Caption: Pair (female to left)
• 
  Species:
  Ageneiosus magoi
  
  Caption: Pair (female, left)
• 
  Species:
  Ancistrus dolichopterus
  
  Caption: Pair (Male center)
• 
  Species:
  Pseudohemiodon sp. `MARBLED`
  
  Caption: Pair (male to right)
• 
  Species:
  Nannoptopoma sp. (LDA110)
  
  Caption: Pair (male, above) with eggs and older fry
• 
  Species:
  Lophiobagrus brevispinis
  
  Caption: Pair and offspring
• 
  Species:
  Clarias batrachus
  
  Caption: Pair at the spawning site
• 
  Species:
  Otocinclus cocama
  
  Caption: Pair cleaning leaves
• 
  Species:
  Megalechis picta
  
  Caption: Pair courting (female on right)
• 
  Species:
  Megalechis thoracata
  
  Caption: Pair during spawing
• 
  Species:
  Chaca chaca
  
  Caption: Pair feeding
• 
  Species:
  Rineloricaria parva
  
  Caption: Pair guarding eggs in foreground
• 
  Species:
  Hypancistrus zebra
  
  Caption: Pair in spawning cave
• 
  Species:
  Peckoltia sp. (L387)
  
  Caption: Pair in spawning cave
• 
  Species:
  Rineloricaria sp. (1)
  
  Caption: Pair in spawning cave
• 
  Species:
  Rineloricaria fallax
  
  Caption: Pair in spawning pipe with green eggs
• 
  Species:
  Gastrodermus gracilis
  
  Caption: Pair laying eggs
• 
  Species:
  Panaqolus albivermis
  
  Caption: Pair prepare to spawn
• 
  Species:
  Hoplisoma sterbai
  
  Caption: Pair spawning
• 
  Species:
  Scleromystax barbatus
  
  Caption: Pair spawning
• 
  Species:
  Hypancistrus sp. (L066)
  
  Caption: Pair spawning
• 
  Species:
  Rineloricaria fallax
  
  Caption: Pair spawning
• 
  Species:
  Rineloricaria platyura
  
  Caption: Pair spawning
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Pair with eggs
• 
  Species:
  Rineloricaria parva
  
  Caption: Pair with eggs
• 
  Species:
  Aspidoras raimundi
  
  Caption: Pair-male above
• 
  Species:
  Tatia strigata
  
  Caption: Pair, female above
• 
  Species:
  Spectracanthicus zuanoni
  
  Caption: Pair, female above
• 
  Species:
  Hoplisoma sp. (Cw127)
  
  Caption: Pair, female above.
• 
  Species:
  Brochis (sub-clade 3) condiscipulus
  
  Caption: Pair, female below
• 
  Species:
  Parancistrus nudiventris
  
  Caption: Pair, female below
• 
  Species:
  Hoplisoma sp. (Cw111)
  
  Caption: Pair, female left
• 
  Species:
  Hypancistrus sp. (3)
  
  Caption: Pair, female left
• 
  Species:
  Pseudacanthicus spinosus
  
  Caption: Pair, female left
• 
  Species:
  Hypancistrus sp. (L173)
  
  Caption: Pair, female right
• 
  Species:
  Parotocinclus jumbo
  
  Caption: Pair, female right
• 
  Species:
  Rineloricaria eigenmanni
  
  Caption: Pair, female to left
• 
  Species:
  Rineloricaria parva
  
  Caption: Pair, female to left
• 
  Species:
  Ageneiosus polystictus
  
  Caption: Pair, female to right
• 
  Species:
  Tatia dunni
  
  Caption: Pair, female to right
• 
  Species:
  Hemiancistrus sp. (L128)
  
  Caption: Pair, female to right
• 
  Species:
  Panaqolus maccus
  
  Caption: Pair, gravid female to left
• 
  Species:
  Ancistrus sp. (L071)
  
  Caption: Pair, male above
• 
  Species:
  Hemiancistrus sp. (L128)
  
  Caption: Pair, male above
• 
  Species:
  Hypancistrus sp. (L270)
  
  Caption: Pair, male above
• 
  Species:
  Hypancistrus sp. (L340)
  
  Caption: Pair, male above
• 
  Species:
  Pseudacanthicus leopardus
  
  Caption: Pair, male above
• 
  Species:
  Pareutropius buffei
  
  Caption: Pair, male above
• 
  Species:
  Trichogenes claviger
  
  Caption: Pair, male above
• 
  Species:
  Rineloricaria sp. `JACAREACANGA`
  
  Caption: Pair, male above.
• 
  Species:
  Brochis (sub-clade 2) pantanalensis
  
  Caption: Pair, male below
• 
  Species:
  Hemiancistrus sp. (L128)
  
  Caption: Pair, male below
• 
  Species:
  Chaca chaca
  
  Caption: Pair, male in cave
• 
  Species:
  Rineloricaria sp. `JACAREACANGA`
  
  Caption: Pair, male in cave
• 
  Species:
  Trachelyopterus fisheri
  
  Caption: Pair, male in foreground
• 
  Species:
  Osteogaster eques
  
  Caption: Pair, male in front, from Anori, Brazil
• 
  Species:
  Sorubim elongatus
  
  Caption: Pair, male lower
• 
  Species:
  Hypancistrus sp. (L270)
  
  Caption: Pair, male on left
• 
  Species:
  Peckoltia compta
  
  Caption: Pair, male on left
• 
  Species:
  Osteogaster sp. (Cw010)
  
  Caption: Pair, male on right
• 
  Species:
  Hypancistrus sp. (L070)
  
  Caption: Pair, male on right
• 
  Species:
  Hypancistrus sp. (L270)
  
  Caption: Pair, male on right
• 
  Species:
  Peckoltia sp. (L076)
  
  Caption: Pair, male on the right
• 
  Species:
  Tatia gyrinus
  
  Caption: Pair, male to left
• 
  Species:
  Pseudancistrus barbatus
  
  Caption: Pair, male to left
• 
  Species:
  Leporacanthicus cf. galaxias(l240)
  
  Caption: Pair, male to the left
• 
  Species:
  Trachelyopterus galeatus
  
  Caption: Pale appearance if given white pipe to hide in
• 
  Species:
  Panaque nigrolineatus
  
  Caption: Pale colouration of previously normal individual
• 
  Species:
  Hoplisoma concolor
  
  Caption: Pale stress colouration
• 
  Species:
  Hoplisoma sp. (Cw047)
  
  Caption: Palumeu
• 
  Species:
  Leptoancistrus canensis
  
  Caption: Panama, Río Vistamares
• 
  Species:
  Trichomycterus striatus
  
  Caption: Panama, Río Vistamares
• 
  Species:
  Hypostomus cf. cochliodon
  
  Caption: Paraguay
• 
  Species:
  Hypostomus cochliodon
  
  Caption: Paraguay
• 
  Species:
  Synodontis ornatipinnis
  
  Caption: Paralectotype (BMNH 1899.11.27.33-34)
• 
  Species:
  Zaireichthys compactus
  
  Caption: Paratype
• 
  Species:
  Netuma patriciae
  
  Caption: Paratype
• 
  Species:
  Ageneiosus uranophthalmus
  
  Caption: Paratype
• 
  Species:
  Tatia luisae
  
  Caption: Paratype
• 
  Species:
  Mystus cyrusi
  
  Caption: Paratype
• 
  Species:
  Aspidoras raimundi
  
  Caption: Paratype
• 
  Species:
  Brochis (sub-clade 3) approuaguensis
  
  Caption: Paratype
• 
  Species:
  Corydoras orcesi
  
  Caption: Paratype
• 
  Species:
  Leptodoras nelsoni
  
  Caption: Paratype
• 
  Species:
  Heteropneustes fuscus
  
  Caption: Paratype
• 
  Species:
  Microlepidogaster arachas
  
  Caption: Paratype
• 
  Species:
  Pangasius silasi
  
  Caption: Paratype
• 
  Species:
  Pimelodus pantaneiro
  
  Caption: Paratype
• 
  Species:
  Microglanis garavelloi
  
  Caption: Paratype
• 
  Species:
  Microglanis nigripinnis
  
  Caption: Paratype
• 
  Species:
  Microglanis reikoae
  
  Caption: Paratype
• 
  Species:
  Creteuchiloglanis kamengensis
  
  Caption: Paratype
• 
  Species:
  Cambeva atrobrunnea
  
  Caption: Paratype
• 
  Species:
  Cambeva galactica
  
  Caption: Paratype
• 
  Species:
  Cambeva luteoreticulata
  
  Caption: Paratype
• 
  Species:
  Cambeva rotundipinna
  
  Caption: Paratype
• 
  Species:
  Trichomycterus quintus
  
  Caption: Paratype
• 
  Species:
  Synodontis katangae
  
  Caption: Paratype (BMNH 1943.7.27.422)
• 
  Species:
  Brochis (sub-clade 2) geryi
  
  Caption: Paratype (of C. bolivianus)
• 
  Species:
  Glyptothorax scrobiculus
  
  Caption: Paratype, 112mm SL
• 
  Species:
  Microglanis maculatus
  
  Caption: Paratype, 20.5mm SL
• 
  Species:
  Microglanis reikoae
  
  Caption: Paratype, 23.6 mm SL
• 
  Species:
  Hypostomus velhomonge
  
  Caption: Paratype, 88mm SL
• 
  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:
  Paralithoxus mocidade
  
  Caption: Paratype, dorsal. Male.
• 
  Species:
  Ferrarissoaresia meridionalis
  
  Caption: Paratype, female
• 
  Species:
  Pareiorhaphis vetula
  
  Caption: Paratype, female, dorsal view
• 
  Species:
  Ferrarissoaresia meridionalis
  
  Caption: Paratype, female; Dorsal view
• 
  Species:
  Ferrarissoaresia meridionalis
  
  Caption: Paratype, female; Ventral view
• 
  Species:
  Rhinotocinclus bockmanni
  
  Caption: Paratype, female. 23.2mm SL
• 
  Species:
  Paralithoxus mocidade
  
  Caption: Paratype, female. Photo by Haroldo Palo Jr.
• 
  Species:
  Rhyacoglanis varii
  
  Caption: Paratype, live
• 
  Species:
  Gelanoglanis varii
  
  Caption: Paratype, male
• 
  Species:
  Paralithoxus mocidade
  
  Caption: Paratype, male.
• 
  Species:
  Microglanis garavelloi
  
  Caption: Paratype, ventral view
• 
  Species:
  Cambeva atrobrunnea
  
  Caption: Paratype, ventral view
• 
  Species:
  Cambeva galactica
  
  Caption: Paratype, ventral view
• 
  Species:
  Cambeva luteoreticulata
  
  Caption: Paratype, ventral view
• 
  Species:
  Cambeva rotundipinna
  
  Caption: Paratype, ventral view
• 
  Species:
  Paralithoxus mocidade
  
  Caption: Paratype, ventral. Male.
• 
  Species:
  Synodontis lucipinnis
  
  Caption: Parents in spawning site
• 
  Species:
  Ancistomus spilomma
  
  Caption: Parque Estadual da Serra Azul, MT, Brazil
• 
  Species:
  Ancistomus spilomma
  
  Caption: Parque Estadual da Serra Azul, MT, Brazil
• 
  Species:
  Microglanis xylographicus
  
  Caption: Parque Estadual da Serra Azul, MT, Brazil
• 
  Species:
  Rhyacoglanis sp. `ARAGUAIA`
  
  Caption: Parque Estadual da Serra Azul, MT, Brazil
• 
  Species:
  Chaetostoma dermorhynchus
  
  Caption: Pastaza River drainage
• 
  Species:
  Chaetostoma dermorhynchus
  
  Caption: Pastaza River drainage
• 
  Species:
  Hemiancistrus sp. (L128)
  
  Caption: Pectoral and ventral fins
• 
  Species:
  Lithoxancistrus orinoco
  
  Caption: Pectoral and ventral fins
• 
  Species:
  Brochis (sub-clade 2) pantanalensis
  
  Caption: Pectoral fin
• 
  Species:
  Ancistrus sp. (L100)
  
  Caption: Pectoral fin
• 
  Species:
  Ancistrus sp. (L327)
  
  Caption: Pectoral fin
• 
  Species:
  Chaetostoma milesi
  
  Caption: Pectoral fin
• 
  Species:
  Farlowella vittata
  
  Caption: Pectoral fin
• 
  Species:
  Parancistrus sp. (LDA046)
  
  Caption: Pectoral fin ray
• 
  Species:
  Synodontis angelicus
  
  Caption: Pectoral fin ray
• 
  Species:
  Acestridium dichromum
  
  Caption: Pectoral fin spine
• 
  Species:
  Acestridium triplax
  
  Caption: Pectoral fin spine
• 
  Species:
  Hypancistrus sp. (L316)
  
  Caption: Pectoral fin spine of female
• 
  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:
  Pseudacanthicus pitanga
  
  Caption: Pectoral fin spines
• 
  Species:
  Panaque cf. cochliodon`upper magdalena`
  
  Caption: Pectoral odontodes
• 
  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:
  Iheringichthys syi
  
  Caption: Pectoral spine. a, I. syi, b & c. other spp.
• 
  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:
  Pimelodella sp. `COLOMBIA`
  
  Caption: Pelvic fin
• 
  Species:
  Pseudecheneis nagalandensis
  
  Caption: Pelvic fin, showing presence of plicae
• 
  Species:
  Astroblepus praeliorum
  
  Caption: Peru, Ancash Region, Quebrada Palta, 11.4cm TL
• 
  Species:
  Chaetostoma spondylus
  
  Caption: Peru, Cajamarca Region, Quebrada Honda, 13.6cm TL
• 
  Species:
  Spatuloricaria puganensis
  
  Caption: Peru, Cajamarca Region, Rio Chotano, 20.5cm TL
• 
  Species:
  Trichomycterus punctulatus
  
  Caption: Peru, Cajamarca Region, Rio La Succha, 15.8cm TL
• 
  Species:
  Chaetostoma spondylus
  
  Caption: Peru, Cajamarca Region, Rio Paltic, 14.1cm TL
• 
  Species:
  Helogenes gouldingi
  
  Caption: Peru: Madre del dios
• 
  Species:
  Hypostomus luteus
  
  Caption: Phase 1 juvenile
• 
  Species:
  Hypostomus luteus
  
  Caption: Phase 1 juvenile
• 
  Species:
  Hypostomus luteus
  
  Caption: Phase 1 juvenile
• 
  Species:
  Hypostomus luteus
  
  Caption: Phase 1 juvenile
• 
  Species:
  Hypostomus luteus
  
  Caption: Phase 2
• 
  Species:
  Hypostomus luteus
  
  Caption: Phase 2 adult
• 
  Species:
  Hypostomus luteus
  
  Caption: Phase 2 adult
• 
  Species:
  Hypostomus luteus
  
  Caption: Phase 2 adult
• 
  Species:
  Hypostomus luteus
  
  Caption: Phase 2 adult
• 
  Species:
  Hypostomus luteus
  
  Caption: Phase 2 adult
• 
  Species:
  Hypostomus luteus
  
  Caption: Phase 2 adult
• 
  Species:
  Hypostomus luteus
  
  Caption: Phase 2/3 adult
• 
  Species:
  Hypostomus luteus
  
  Caption: Phase 3 Adult
• 
  Species:
  Duringlanis sp. `YAGUAS`
  
  Caption: Photo by Alvaro del Campo
• 
  Species:
  Ancistrus martini
  
  Caption: Photo, Nathan Lujan
• 
  Species:
  Cambeva cubataonis
  
  Caption: Photo: A.M. Katz
• 
  Species:
  Chaetostoma marginatum
  
  Caption: Photo: Eduardo Rebolledo
• 
  Species:
  Ancistrus patronus
  
  Caption: Photo: Nathan Lujan
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Piebald variety
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Piebald variety
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Piebald variety
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Piebald veiltail variety
• 
  Species:
  Phractocephalus hemioliopterus
  
  Caption: Platinum colour form
• 
  Species:
  Mystus vittatus
  
  Caption: Pondicherry, India
• 
  Species:
  Loricariichthys hauxwelli
  
  Caption: Posterior dorsal view
• 
  Species:
  Peckoltia compta
  
  Caption: Posterior half of female showing no odontode growth
• 
  Species:
  Peckoltia compta
  
  Caption: Posterior half of male showing odontode growth
• 
  Species:
  Pseudeutropius mitchelli
  
  Caption: Preserved colouration
• 
  Species:
  Glanidium ribeiroi
  
  Caption: Preserved specimen
• 
  Species:
  Satan eurystomus
  
  Caption: Preserved specimen
• 
  Species:
  Trogloglanis pattersoni
  
  Caption: Preserved specimen
• 
  Species:
  Pterygoplichthys multiradiatus
  
  Caption: Preserved specimen
• 
  Species:
  Lasiancistrus caucanus
  
  Caption: Preserved specimen - close-up of dorsal head view
• 
  Species:
  Glanidium ribeiroi
  
  Caption: Preserved specimen - close-up of head
• 
  Species:
  Lasiancistrus caucanus
  
  Caption: Preserved specimen - close-up of head
• 
  Species:
  Lasiancistrus caucanus
  
  Caption: Preserved specimen - Dorsal view
• 
  Species:
  Ailiichthys punctata
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Imparfinis guttatus
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Imparfinis stictonotus
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Phenacorhamdia boliviana
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Chaetostoma platyrhynchus
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Cordylancistrus torbesensis
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Hypoptopoma guianense
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Hypoptopoma gulare
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Hypoptopoma steindachneri
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Lasiancistrus caucanus
  
  Caption: Preserved specimen - lateral view
• 
  Species:
  Microglanis malabarbai
  
  Caption: Province of Corrientes, Argentina
• 
  Species:
  Microglanis malabarbai
  
  Caption: Province of Corrientes, Argentina
• 
  Species:
  Microglanis malabarbai
  
  Caption: Province of Corrientes, Argentina
• 
  Species:
  Microglanis malabarbai
  
  Caption: Province of Corrientes, Argentina
• 
  Species:
  Microglanis malabarbai
  
  Caption: Province of Corrientes, Argentina.
• 
  Species:
  Microglanis aff. iheringi
  
  Caption: Puerto Lopez, Pachaquiaro, Colombia
• 
  Species:
  Asterophysus batrachus
  
  Caption: Puffed up with water!
• 
  Species:
  Synodontis zambezensis
  
  Caption: Pungwe River, Gorongosa District Border
• 
  Species:
  Schilbe intermedius
  
  Caption: Pungwe River, Gorongosa District Border
• 
  Species:
  Bagarius bagarius
  
  Caption: Puri main canal, Bhubaneswar, Odisha
• 
  Species:
  Silonia silondia
  
  Caption: Puri, Main Canal
• 
  Species:
  Silonia silondia
  
  Caption: Puri, Main canal
• 
  Species:
  Bagarius bagarius
  
  Caption: Puri, Main canal - dorsal view