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• 
  Species:
  Hypancistrus lunaorum
  
  Caption: H. cf. lunaorum
• 
  Species:
  Hatcheria macraei
  
  Caption: H. macraei (above) and Trichomycterus corduvensis
• 
  Species:
  Synodontis zambezensis
  
  Caption: Habitait: Pungwe River - Gorongosa District Border
• 
  Species:
  Akysis fontaneus
  
  Caption: Habitat
• 
  Species:
  Parakysis hystriculus
  
  Caption: Habitat
• 
  Species:
  Amblyceps cerinum
  
  Caption: Habitat
• 
  Species:
  Amblyceps mangois
  
  Caption: Habitat
• 
  Species:
  Amblyceps tenuispinis
  
  Caption: Habitat
• 
  Species:
  Platystacus cotylephorus
  
  Caption: Habitat
• 
  Species:
  Duringlanis altae
  
  Caption: Habitat
• 
  Species:
  Hemibagrus capitulum
  
  Caption: Habitat
• 
  Species:
  Hemibagrus hoevenii
  
  Caption: Habitat
• 
  Species:
  Hemibagrus velox
  
  Caption: Habitat
• 
  Species:
  Hyalobagrus flavus
  
  Caption: Habitat
• 
  Species:
  Mystus aff. gulio
  
  Caption: Habitat
• 
  Species:
  Mystus bimaculatus
  
  Caption: Habitat
• 
  Species:
  Mystus bimaculatus
  
  Caption: Habitat
• 
  Species:
  Pseudomystus heokhuii
  
  Caption: Habitat
• 
  Species:
  Pseudomystus heokhuii
  
  Caption: Habitat
• 
  Species:
  Pseudomystus leiacanthus
  
  Caption: Habitat
• 
  Species:
  Corydoras septentrionalis
  
  Caption: Habitat
• 
  Species:
  Corydoras septentrionalis
  
  Caption: Habitat
• 
  Species:
  Hoplisoma nattereri
  
  Caption: Habitat
• 
  Species:
  Chaca bankanensis
  
  Caption: Habitat
• 
  Species:
  Chaca bankanensis
  
  Caption: Habitat
• 
  Species:
  Clarias leiacanthus
  
  Caption: Habitat
• 
  Species:
  Clarias leiacanthus
  
  Caption: Habitat
• 
  Species:
  Clarias nieuhofii
  
  Caption: Habitat
• 
  Species:
  Nannoglanis fasciatus
  
  Caption: Habitat
• 
  Species:
  Nemuroglanis furcatus
  
  Caption: Habitat
• 
  Species:
  Nemuroglanis furcatus
  
  Caption: Habitat
• 
  Species:
  Pseudeutropius moolenburghae
  
  Caption: Habitat
• 
  Species:
  Corumbataia cuestae
  
  Caption: Habitat
• 
  Species:
  Corumbataia cuestae
  
  Caption: Habitat
• 
  Species:
  Hypancistrus parkateje
  
  Caption: Habitat
• 
  Species:
  Hypostomus hermanni
  
  Caption: Habitat
• 
  Species:
  Panaqolus claustellifer
  
  Caption: Habitat
• 
  Species:
  Panaqolus sp. (L515)
  
  Caption: Habitat
• 
  Species:
  Pseudacanthicus leopardus
  
  Caption: Habitat
• 
  Species:
  Spectracanthicus javae
  
  Caption: Habitat
• 
  Species:
  Synodontis vanderwaali
  
  Caption: Habitat
• 
  Species:
  Kryptopterus limpok
  
  Caption: Habitat
• 
  Species:
  Kryptopterus macrocephalus
  
  Caption: Habitat
• 
  Species:
  Kryptopterus macrocephalus
  
  Caption: Habitat
• 
  Species:
  Ompok rhadinurus
  
  Caption: Habitat
• 
  Species:
  Silurichthys indragiriensis
  
  Caption: Habitat
• 
  Species:
  Silurichthys indragiriensis
  
  Caption: Habitat
• 
  Species:
  Glyptothorax amnestus
  
  Caption: Habitat
• 
  Species:
  Sisor rabdophorus
  
  Caption: Habitat
• 
  Species:
  Cambeva ytororo
  
  Caption: Habitat
• 
  Species:
  Trichomycterus quintus
  
  Caption: Habitat
• 
  Species:
  Heteropneustes fossilis
  
  Caption: Habitat : A slow moving paddy canal in North India
• 
  Species:
  Chaetostoma formosae
  
  Caption: Habitat : Rio Tulumayo
• 
  Species:
  Chaetostoma formosae
  
  Caption: Habitat : Rio Tulumayo river bed
• 
  Species:
  Glyptothorax kashmirensis
  
  Caption: Habitat along Jhelum and Poonch Rivers
• 
  Species:
  Hemiancistrus subviridis
  
  Caption: Habitat in background
• 
  Species:
  Glyptothorax cf. pectinopterus
  
  Caption: Habitat in Dehradun, Uttarakhand, India
• 
  Species:
  Glyptothorax cf. pectinopterus
  
  Caption: Habitat in Dehradun, Uttarakhand, India
• 
  Species:
  Pseudolaguvia austrina
  
  Caption: Habitat in Kerala, India
• 
  Species:
  Trachelyopterus galeatus
  
  Caption: Habitat in Rio Formoso in Mato Grosso do Sul
• 
  Species:
  Scleronema minutum
  
  Caption: Habitat in Rio Yaguaron, Uruguay
• 
  Species:
  Olyra saginata
  
  Caption: Habitat in Tuisi River, Mizoram, India
• 
  Species:
  Hypostomus subcarinatus
  
  Caption: Habitat Lagoa da Pampulha, downtown Belo Horizonte
• 
  Species:
  Hypostomus subcarinatus
  
  Caption: Habitat Lagoa da Pampulha, downtown Belo Horizonte
• 
  Species:
  Hisonotus charrua
  
  Caption: Habitat of Hisonotus charrua (Aguas Blancas)
• 
  Species:
  Trichogenes claviger
  
  Caption: Habitat of T. claviger
• 
  Species:
  Rhinotocinclus hera
  
  Caption: Habitat of type locality
• 
  Species:
  Microglanis berbixae
  
  Caption: Habitat of type locality
• 
  Species:
  Trichomycterus lauzannii
  
  Caption: Habitat of type locality
• 
  Species:
  Pseudancistrus kwinti
  
  Caption: Habitat photo showing the holotype location
• 
  Species:
  Baryancistrus sp. `BELO MONTE`
  
  Caption: Habitat, Belo Monte, Rio Xingu
• 
  Species:
  Pseudancistrus nigrescens
  
  Caption: Habitat, Rio Uraricoera
• 
  Species:
  Pseudancistrus nigrescens
  
  Caption: Habitat, Rio Uraricoera
• 
  Species:
  Hoplisoma benattii
  
  Caption: Habitat, Rio Xingu
• 
  Species:
  Pseudecheneis nagalandensis
  
  Caption: Habitat, type locality
• 
  Species:
  Chaetostoma guairense
  
  Caption: Habitat: Rio Aragua, Venezuela
• 
  Species:
  Chiloglanis trilobatus
  
  Caption: Habitat: river that flows into Lake Rukwa, Tanzania
• 
  Species:
  Spatuloricaria tuira
  
  Caption: Habitat: "Aufwuchs" or algae biofilm
• 
  Species:
  Plotosus canius
  
  Caption: Habitat: 1°24'29.0"N 103°58'45.2"E
• 
  Species:
  Plotosus canius
  
  Caption: Habitat: 1°24'29.0"N 103°58'45.2"E
• 
  Species:
  Baryancistrus xanthellus
  
  Caption: Habitat: above water
• 
  Species:
  Hisonotus pantherinus
  
  Caption: Habitat: Arroyo Garibaldi, Misiones, Argentina
• 
  Species:
  Hoplisoma paleatum
  
  Caption: Habitat: Arroyo Sarandi, Canelones, Uruguay
• 
  Species:
  Noturus flavus
  
  Caption: Habitat: Birdtail River, Birtle, Manitoba, Canada
• 
  Species:
  Noturus flavus
  
  Caption: Habitat: Birdtail River, Birtle, Manitoba, Canada
• 
  Species:
  Farlowella platorynchus
  
  Caption: Habitat: Blackwater
• 
  Species:
  Scobinancistrus cf. pariolispos
  
  Caption: Habitat: Cachoeira Grande, Rio Iriri, Brazil
• 
  Species:
  Malacoglanis gelatinosus
  
  Caption: Habitat: Cano Palomas
• 
  Species:
  Corydoras septentrionalis
  
  Caption: Habitat: Carefully pulling net to shore
• 
  Species:
  Hypostomus plecostomoides
  
  Caption: Habitat: Collecting adult fish from driftwood snag
• 
  Species:
  Hypostomus plecostomoides
  
  Caption: Habitat: Collecting adult fish from driftwood snag
• 
  Species:
  Farlowella vittata
  
  Caption: Habitat: Collecting from submerged foliage
• 
  Species:
  Hypoptopoma thoracatum
  
  Caption: Habitat: Collecting from submerged foliage
• 
  Species:
  Cambeva iheringi
  
  Caption: Habitat: Collecting in Rio Jau
• 
  Species:
  Osteogaster venezuelanus
  
  Caption: Habitat: Collecting the pictured fish
• 
  Species:
  Corydoras septentrionalis
  
  Caption: Habitat: Collecting with seine net
• 
  Species:
  Hypoptopoma sp. `RIO PARANA`
  
  Caption: Habitat: collection site and method
• 
  Species:
  Clarias leiacanthus
  
  Caption: Habitat: Creek near Sanggau in Kalimantan
• 
  Species:
  Hypostomus lima
  
  Caption: Habitat: Creek trib of rio das Velhas
• 
  Species:
  Hypostomus lima
  
  Caption: Habitat: Creek trib of rio das Velhas
• 
  Species:
  Hypostomus affinis
  
  Caption: Habitat: Creek tributary, Piracicaba (Doce basin)
• 
  Species:
  Hypostomus affinis
  
  Caption: Habitat: Creek tributary, Piracicaba (Doce basin)
• 
  Species:
  Chiloglanis pretoriae
  
  Caption: Habitat: Crocodile River
• 
  Species:
  Silurus triostegus
  
  Caption: Habitat: Dez River at Harmaleh
• 
  Species:
  Lasiancistrus tentaculatus
  
  Caption: Habitat: Driftwood tangle
• 
  Species:
  Panaqolus maccus
  
  Caption: Habitat: Driftwood tangle
• 
  Species:
  Platystacus cotylephorus
  
  Caption: Habitat: Essequibo river, Guyana
• 
  Species:
  Trachelyopterus galeatus
  
  Caption: Habitat: floating grasses, Rio Tapajós
• 
  Species:
  Pseudolaguvia foveolata
  
  Caption: Habitat: Flowing larger river with rocky substrate.
• 
  Species:
  Cnidoglanis macrocephalus
  
  Caption: Habitat: Found under ledges during the day
• 
  Species:
  Cnidoglanis macrocephalus
  
  Caption: Habitat: Found under ledges during the day
• 
  Species:
  Hoplisoma boesemani
  
  Caption: Habitat: Gran Rio, Surinam
• 
  Species:
  Phreatobius cisternarum
  
  Caption: Habitat: Hand dug wells
• 
  Species:
  Ammoglanis nheengatu
  
  Caption: Habitat: igarapé Branco, rio Aruri Grande
• 
  Species:
  Ancistrus sp. (L071)
  
  Caption: Habitat: Igarape Piraruaia, (Trib. Rio Tefe)(L181)
• 
  Species:
  Corydoras septentrionalis
  
  Caption: Habitat: Isolated pools in drying river bed
• 
  Species:
  Spectracanthicus immaculatus
  
  Caption: Habitat: Itaituba, Middle Rio Tapaj??s
• 
  Species:
  Ancistomus snethlageae
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Ancistrus sp. (L071)
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Hypancistrus sp. (L260)
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Leporacanthicus joselimai
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Leporacanthicus sp. (L263)
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Peckoltia sabaji
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Peckoltia sp. (L265)
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Pseudacanthicus sp. (L273)
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Pseudancistrus zawadzkii
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Scobinancistrus sp. (L368)
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Scobinancistrus sp. (L368)
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Spectracanthicus murinus
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Spectracanthicus murinus
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Spectracanthicus murinus
  
  Caption: Habitat: Itaituba, Middle Rio Tapajós
• 
  Species:
  Pseudolaguvia shawi
  
  Caption: Habitat: Jorai River, West Bengal
• 
  Species:
  Pseudolaguvia shawi
  
  Caption: Habitat: Jorai River, West Bengal
• 
  Species:
  Panaque nigrolineatus
  
  Caption: Habitat: Juveniles can be found on submerged wood
• 
  Species:
  Mystus pelusius
  
  Caption: Habitat: Karun River at Ahvaz
• 
  Species:
  Bagrus docmak
  
  Caption: Habitat: Kazinga Channel, Western Region, Uganda
• 
  Species:
  Bagrus docmak
  
  Caption: Habitat: Kazinga Channel, Western Region, Uganda
• 
  Species:
  Synodontis nigriventris
  
  Caption: Habitat: Kouyou river basin, central Congo. Dots are S. nigriventris.
• 
  Species:
  Ancistrus sp. (L071)
  
  Caption: Habitat: Lago Geral, Rio Jauari drainage
• 
  Species:
  Synodontis afrofischeri
  
  Caption: Habitat: Lake Nabugabo, Uganda
• 
  Species:
  Microglanis variegatus
  
  Caption: Habitat: Leaf litter
• 
  Species:
  Chiloglanis fortuitus
  
  Caption: Habitat: Liberia, St. John River drainage
• 
  Species:
  Chaetostoma sp. (L402)
  
  Caption: Habitat: Lifting flat stones to collect fish
• 
  Species:
  Aphanotorulus emarginatus
  
  Caption: Habitat: Lower Rio Branco
• 
  Species:
  Pterygoplichthys gibbiceps
  
  Caption: Habitat: Lower Rio Branco
• 
  Species:
  Platynematichthys notatus
  
  Caption: Habitat: Lower Rio Branco
• 
  Species:
  Centromochlus sp. `LOWER TAPAJOS`
  
  Caption: Habitat: Lower Rio Tapajós
• 
  Species:
  Peckoltia sp. (L140)
  
  Caption: Habitat: Lower Rio Tapajós
• 
  Species:
  Synodontis melanostictus
  
  Caption: Habitat: Lufubu River entering into Lake Tanganyika
• 
  Species:
  Synodontis melanostictus
  
  Caption: Habitat: Lufubu River entering into Lake Tanganyika
• 
  Species:
  Oreoglanis sudarai
  
  Caption: Habitat: Mae Chaem district, Chiang Mai Province
• 
  Species:
  Pseudostegophilus nemurus
  
  Caption: Habitat: Main Amazon channel
• 
  Species:
  Hypostomus robinii
  
  Caption: Habitat: Maracas river, Trinidad
• 
  Species:
  Microglanis variegatus
  
  Caption: Habitat: Mocache river, Ecuador
• 
  Species:
  Corydoras septentrionalis
  
  Caption: Habitat: Open river with sandy banks
• 
  Species:
  Clarias alluaudi
  
  Caption: Habitat: Papyrus swamp 8 km north of Nkozi, Uganda
• 
  Species:
  Clarias alluaudi
  
  Caption: Habitat: Papyrus swamp, Uganda
• 
  Species:
  Clarias alluaudi
  
  Caption: Habitat: Papyrus swamp, Uganda
• 
  Species:
  Hatcheria macraei
  
  Caption: Habitat: Potrerillos Lake, Mendoza River
• 
  Species:
  Chiloglanis sp. `PUNGWE RIVER`
  
  Caption: Habitat: Pungwe River, Gorongosa District Border
• 
  Species:
  Malacoglanis gelatinosus
  
  Caption: Habitat: Rio Ariporo
• 
  Species:
  Chaetostoma platyrhynchus
  
  Caption: Habitat: Rio Caqueta basin, Florencia
• 
  Species:
  Malacoglanis gelatinosus
  
  Caption: Habitat: Rio Chire Nuevo
• 
  Species:
  Ancistrus sp. (L289)
  
  Caption: Habitat: Rio Curuá-Una
• 
  Species:
  Ancistrus sp. (L289)
  
  Caption: Habitat: Rio Curuá-Una
• 
  Species:
  Hypancistrus sp. (L270)
  
  Caption: Habitat: Rio Curuá-Una
• 
  Species:
  Hypancistrus sp. (L270)
  
  Caption: Habitat: Rio Curuá-Una
• 
  Species:
  Peckoltia sabaji
  
  Caption: Habitat: Rio Curuá-Una
• 
  Species:
  Peckoltia sp. (L288)
  
  Caption: Habitat: Rio Curuá-Una
• 
  Species:
  Peckoltia sp. (L288)
  
  Caption: Habitat: Rio Curuá-Una
• 
  Species:
  Hypostomus cf. paulinus
  
  Caption: Habitat: Rio das Velhas
• 
  Species:
  Farlowella paraguayensis
  
  Caption: Habitat: Rio Formoso, Mato Grosso do Sul
• 
  Species:
  Ancistrus chagresi
  
  Caption: Habitat: Rio Ipeti: Panama
• 
  Species:
  Hypostomus aspidolepis
  
  Caption: Habitat: Rio Ipeti: Panama
• 
  Species:
  Sturisomatichthys panamensis
  
  Caption: Habitat: Rio Ipeti: Panama
• 
  Species:
  Guyanancistrus sp. (1)
  
  Caption: Habitat: Rio Macapa: Brazil
• 
  Species:
  Sturisomatichthys aureus
  
  Caption: Habitat: Rio Magdalena at Ricaurte
• 
  Species:
  Ancistrus dolichopterus
  
  Caption: Habitat: Rio Negro, Brazil
• 
  Species:
  Auchenipterichthys longimanus
  
  Caption: Habitat: Rio Nhamundá, Brazil
• 
  Species:
  Centromochlus orca
  
  Caption: Habitat: Rio Nhamundá, Brazil
• 
  Species:
  Centromochlus orca
  
  Caption: Habitat: Rio Nhamundá, Brazil
• 
  Species:
  Tatia nigra
  
  Caption: Habitat: Rio Nhamundá, Brazil
• 
  Species:
  Pimelodella sp. `NHAMUNDA`
  
  Caption: Habitat: Rio Nhamundá, Brazil
• 
  Species:
  Ancistrus dolichopterus
  
  Caption: Habitat: Rio Nhamundá, Brazil
• 
  Species:
  Ancistrus sp. `NHAMUNDA`
  
  Caption: Habitat: Rio Nhamundá, Brazil
• 
  Species:
  Dekeyseria scaphirhynchus
  
  Caption: Habitat: Rio Nhamundá, Brazil
• 
  Species:
  Hypancistrus sp. (L475)
  
  Caption: Habitat: Rio Nhamundá, Brazil
• 
  Species:
  Hypostomus carinatus
  
  Caption: Habitat: Rio Nhamundá, Brazil
• 
  Species:
  Leporacanthicus galaxias
  
  Caption: Habitat: Rio Nhamundá, Brazil
• 
  Species:
  Pseudolithoxus kinja
  
  Caption: Habitat: Rio Nhamundá, Brazil
• 
  Species:
  Pseudoloricaria laeviuscula
  
  Caption: Habitat: Rio Nhamundá, Brazil
• 
  Species:
  Peckoltia sp. (L477)
  
  Caption: Habitat: Rio Nhamundá, Brazil (lower river habitat)
• 
  Species:
  Peckoltia sp. (L477)
  
  Caption: Habitat: Rio Nhamundá, Brazil (middle river habitat)
• 
  Species:
  Hypostomus latifrons
  
  Caption: Habitat: Rio Paraguay
• 
  Species:
  Hypostomus roseopunctatus
  
  Caption: Habitat: Rio Parana, Corrientes State, Argentina
• 
  Species:
  Pimelodella chagresi
  
  Caption: Habitat: Rio Pedro Miguel, central Panama
• 
  Species:
  Microglanis sp. `RIO SALI`
  
  Caption: Habitat: Rio Romano, Sali-Dulce endorrheic River
• 
  Species:
  Henonemus taxistigma
  
  Caption: Habitat: Rio Tinaco, Venezuela
• 
  Species:
  Baryancistrus chrysolomus
  
  Caption: Habitat: Rio Xingu
• 
  Species:
  Parancistrus nudiventris
  
  Caption: Habitat: Rio Xingu
• 
  Species:
  Pseudancistrus asurini
  
  Caption: Habitat: Rio Xingu
• 
  Species:
  Spectracanthicus punctatissimus
  
  Caption: Habitat: Rio Xingu
• 
  Species:
  Loricaria birindellii
  
  Caption: Habitat: Rio Xingu pool
• 
  Species:
  Hypancistrus zebra
  
  Caption: Habitat: Rio Xingu, Brazil
• 
  Species:
  Leporacanthicus heterodon
  
  Caption: Habitat: Rio Xingu, Brazil
• 
  Species:
  Pseudecheneis sulcata
  
  Caption: Habitat: Rishi River,nr Kalimpong, NE Bengal,India
• 
  Species:
  Pseudecheneis sulcata
  
  Caption: Habitat: Rishi River,nr Kalimpong,NE Bengal,India
• 
  Species:
  Pseudecheneis sulcata
  
  Caption: Habitat: Rishi River,nr Kalimpong,NE Bengal,India
• 
  Species:
  Noturus insignis
  
  Caption: Habitat: Rivanna River, Virginia, USA
• 
  Species:
  Noturus insignis
  
  Caption: Habitat: Rivanna River, Virginia, USA
• 
  Species:
  Austroglanis gilli
  
  Caption: Habitat: Rondegat River, Cederberg Mountains
• 
  Species:
  Xyliphius barbatus
  
  Caption: Habitat: San Francisco River, Jujuy province
• 
  Species:
  Reganella depressa
  
  Caption: Habitat: sandbanks, Lower Rio Branco
• 
  Species:
  Hoplisoma boesemani
  
  Caption: Habitat: Sandy beach
• 
  Species:
  Aphanotorulus sp. (L131)
  
  Caption: Habitat: Santarém boatyard
• 
  Species:
  Hypancistrus sp. (L070)
  
  Caption: Habitat: Santarém boatyard
• 
  Species:
  Chaetostoma joropo
  
  Caption: Habitat: Serrania de La Macarena
• 
  Species:
  Baryancistrus xanthellus
  
  Caption: Habitat: Shallow, fast-flowing Rio Xingu
• 
  Species:
  Imparfinis pseudonemacheir
  
  Caption: Habitat: Shallow, flowing water over small rocks
• 
  Species:
  Aphanotorulus ammophilus
  
  Caption: Habitat: Shallow, flowing water over small rocks
• 
  Species:
  Lamontichthys llanero
  
  Caption: Habitat: Shallow, flowing water over small rocks
• 
  Species:
  Loricariichthys brunneus
  
  Caption: Habitat: Shallow, muddy pools
• 
  Species:
  Chaetostoma sp. (L402)
  
  Caption: Habitat: Shallow, shady and rock strewn stream
• 
  Species:
  Phenacorhamdia tenebrosa
  
  Caption: Habitat: small tributary of Paraopeba
• 
  Species:
  Trichomycterus brasiliensis
  
  Caption: Habitat: small tributary of Paraopeba
• 
  Species:
  Phreatobius sp. (1)
  
  Caption: Habitat: Sodden leaf litter
• 
  Species:
  Acanthodoras cataphractus
  
  Caption: Habitat: submersed terrestrial grasses in this small Amazon side channel
• 
  Species:
  Agamyxis pectinifrons
  
  Caption: Habitat: submersed terrestrial grasses in this small Amazon side channel
• 
  Species:
  Amblydoras nauticus
  
  Caption: Habitat: submersed terrestrial grasses in this small Amazon side channel
• 
  Species:
  Platydoras armatulus
  
  Caption: Habitat: submersed terrestrial grasses in this small Amazon side channel
• 
  Species:
  Liobagrus chenhaojuni
  
  Caption: Habitat: Tiaoxi River, Zhejiang Province, China
• 
  Species:
  Glyptosternon reticulatum
  
  Caption: Habitat: Trib. of Kyzylungugir River, S.Kyrgyzstan
• 
  Species:
  Osteogaster aenea
  
  Caption: Habitat: Trinidad
• 
  Species:
  Osteogaster aenea
  
  Caption: Habitat: Trinidad
• 
  Species:
  Farlowella wuyjugu
  
  Caption: Habitat: Type locality
• 
  Species:
  Peckoltia sabaji
  
  Caption: Habitat: type locality
• 
  Species:
  Erethistoides sicula
  
  Caption: Habitat: type locality
• 
  Species:
  Erethistoides sicula
  
  Caption: Habitat: type locality
• 
  Species:
  Erethistoides sicula
  
  Caption: Habitat: type locality
• 
  Species:
  Baryancistrus xanthellus
  
  Caption: Habitat: Underwater
• 
  Species:
  Noturus gyrinus
  
  Caption: Habitat: Unicorn Lake, Maryland, USA
• 
  Species:
  Glyptothorax malabarensis
  
  Caption: Habitat: Urutty Stream, Pottichapara,Aralam Wildlife Sanctuary, Kerala, India
• 
  Species:
  Farlowella vittata
  
  Caption: Habitat: Vegetation at rivers edge
• 
  Species:
  Horabagrus brachysoma
  
  Caption: Habitat: Vembanad Lake, Kerala
• 
  Species:
  Loricariichthys brunneus
  
  Caption: Habitat: Venezuelan llanos in the dry season
• 
  Species:
  Rineloricaria eigenmanni
  
  Caption: Habitat: Venezuelan llanos in the dry season
• 
  Species:
  Osteogaster venezuelanus
  
  Caption: Habitat: Venezuelan Stream
• 
  Species:
  Osteogaster venezuelanus
  
  Caption: Habitat: Venezuelan Stream
• 
  Species:
  Osteogaster venezuelanus
  
  Caption: Habitat: Venezulan creek or
• 
  Species:
  Osteogaster venezuelanus
  
  Caption: Habitat: Venezulan creek or
• 
  Species:
  Farlowella acus
  
  Caption: Habitat:- Rio Aragua, Venezuela
• 
  Species:
  Hemiancistrus subviridis
  
  Caption: Habitat.
• 
  Species:
  Hemiancistrus sp. (L128)
  
  Caption: Half spotted colouration
• 
  Species:
  Parancistrus aurantiacus
  
  Caption: Half way through colouration change
• 
  Species:
  Pimelodus ornatus
  
  Caption: Handfeeding
• 
  Species:
  Pimelodus ornatus
  
  Caption: Handfeeding
• 
  Species:
  Trichomycterus corduvensis
  
  Caption: Hatcheria macraei (above) and T. corduvensis
• 
  Species:
  Amblydoras nauticus
  
  Caption: Hatchling
• 
  Species:
  Ancistrus sp. (8)
  
  Caption: Hatchling
• 
  Species:
  Rineloricaria lanceolata
  
  Caption: Hatchling
• 
  Species:
  Ancistrus sp. `RIO FORMOSO II`
  
  Caption: Head after capture (female)
• 
  Species:
  Hemiancistrus meizospilos
  
  Caption: Head close up, Specimen from Rio Yi, Durazno
• 
  Species:
  Hypostomus froehlichi
  
  Caption: Head of a young 11 cm fish from rio formoso
• 
  Species:
  Scobinancistrus aureatus
  
  Caption: Head of female
• 
  Species:
  Hypostomus froehlichi
  
  Caption: Head of Hypostomus sp. Rio Formoso
• 
  Species:
  Scobinancistrus aureatus
  
  Caption: Head of male
• 
  Species:
  Ancistrus sp. `RIO FORMOSO II`
  
  Caption: Head of male in Rio Formoso
• 
  Species:
  Chrysichthys ornatus
  
  Caption: Head on view
• 
  Species:
  Amblydoras nauticus
  
  Caption: Head on view
• 
  Species:
  Pimelodella sp. (3)
  
  Caption: Head on view
• 
  Species:
  Hypancistrus sp. (L201)
  
  Caption: Head on view
• 
  Species:
  Hypostomus regani
  
  Caption: Head on view
• 
  Species:
  Rhadinoloricaria ommation
  
  Caption: Head on view
• 
  Species:
  Phractocephalus hemioliopterus
  
  Caption: Head on view of juvenile
• 
  Species:
  Hoplisoma paleatum
  
  Caption: Head on view, pair (larger female)
• 
  Species:
  Akysis longifilis
  
  Caption: Head-on view
• 
  Species:
  Ketengus typus
  
  Caption: Head-on view
• 
  Species:
  Platystacus cotylephorus
  
  Caption: Head-on view
• 
  Species:
  Batasio dayi
  
  Caption: Head-on view
• 
  Species:
  Mystus bocourti
  
  Caption: Head-on view
• 
  Species:
  Pseudomystus cf. stenomus
  
  Caption: Head-on view
• 
  Species:
  Pseudomystus stenogrammus
  
  Caption: Head-on view
• 
  Species:
  Brochis multiradiata
  
  Caption: Head-on view
• 
  Species:
  Brochis (sub-clade 3) ambiacus
  
  Caption: Head-on view
• 
  Species:
  Brochis (sub-clade 3) sp. (C103)
  
  Caption: Head-on view
• 
  Species:
  Gastrodermus pygmaeus
  
  Caption: Head-on view
• 
  Species:
  Hoplisoma adolfoi
  
  Caption: Head-on view
• 
  Species:
  Hoplisoma concolor
  
  Caption: Head-on view
• 
  Species:
  Hoplisoma julii
  
  Caption: Head-on view
• 
  Species:
  Hoplisoma leucomelas
  
  Caption: Head-on view
• 
  Species:
  Hoplisoma melini
  
  Caption: Head-on view
• 
  Species:
  Osteogaster eques
  
  Caption: Head-on view
• 
  Species:
  Osteogaster rabauti
  
  Caption: Head-on view
• 
  Species:
  Heterobranchus sp. hybrid
  
  Caption: Head-on view
• 
  Species:
  Phyllonemus typus
  
  Caption: Head-on view
• 
  Species:
  Amblydoras nauticus
  
  Caption: Head-on view
• 
  Species:
  Platydoras armatulus
  
  Caption: Head-on view
• 
  Species:
  Platydoras armatulus
  
  Caption: Head-on view
• 
  Species:
  Pterodoras granulosus
  
  Caption: Head-on view
• 
  Species:
  Pterodoras granulosus
  
  Caption: Head-on view
• 
  Species:
  Noturus insignis
  
  Caption: Head-on view
• 
  Species:
  Ancistrus ranunculus
  
  Caption: Head-on view
• 
  Species:
  Ancistrus sp. (L370)
  
  Caption: Head-on view
• 
  Species:
  Hypancistrus sp. (L260)
  
  Caption: Head-on view
• 
  Species:
  Hypancistrus sp. (L270)
  
  Caption: Head-on view
• 
  Species:
  Hypostomus fuscomaculatus
  
  Caption: Head-on view
• 
  Species:
  Hypostomus pusarum
  
  Caption: Head-on view
• 
  Species:
  Hypostomus sp. (L360)
  
  Caption: Head-on view
• 
  Species:
  Leporacanthicus heterodon
  
  Caption: Head-on view
• 
  Species:
  Nannoptopoma sp. `PERU WHITE`
  
  Caption: Head-on view
• 
  Species:
  Pareiorhaphis lophia
  
  Caption: Head-on view
• 
  Species:
  Peckoltia sp. (L288)
  
  Caption: Head-on view
• 
  Species:
  Pseudacanthicus spinosus
  
  Caption: Head-on view
• 
  Species:
  Pseudancistrus sp. (2)
  
  Caption: Head-on view
• 
  Species:
  Rineloricaria heteroptera
  
  Caption: Head-on view
• 
  Species:
  Synodontis angelicus
  
  Caption: Head-on view
• 
  Species:
  Synodontis frontosus
  
  Caption: Head-on view
• 
  Species:
  Synodontis membranaceus
  
  Caption: Head-on view
• 
  Species:
  Synodontis orientalis
  
  Caption: Head-on view
• 
  Species:
  Synodontis schoutedeni
  
  Caption: Head-on view
• 
  Species:
  Pangasius sanitwongsei
  
  Caption: Head-on view
• 
  Species:
  Pimelodus albicans
  
  Caption: Head-on view
• 
  Species:
  Pimelodus albicans
  
  Caption: Head-on view
• 
  Species:
  Pimelodus ornatus
  
  Caption: Head-on view
• 
  Species:
  Sorubim lima
  
  Caption: Head-on view
• 
  Species:
  Batrochoglanis raninus
  
  Caption: Head-on view
• 
  Species:
  Creteuchiloglanis gongshanensis
  
  Caption: Head-on view
• 
  Species:
  Erethistes jerdoni
  
  Caption: Head-on view
• 
  Species:
  Erethistes jerdoni
  
  Caption: Head-on view
• 
  Species:
  Glaridoglanis andersonii
  
  Caption: Head-on view
• 
  Species:
  Glyptothorax rugimentum
  
  Caption: Head-on view
• 
  Species:
  Pseudecheneis sulcata
  
  Caption: Head-on view
• 
  Species:
  Sineuchiloglanis gracilicaudata
  
  Caption: Head-on view
• 
  Species:
  Ituglanis metae
  
  Caption: Head-on view
• 
  Species:
  Ancistrus sp. (3)
  
  Caption: Head-on view of albino male
• 
  Species:
  Hypostomus sp. (L229)
  
  Caption: Head-on view of juvenile (5cm TL)
• 
  Species:
  Denticetopsis praecox
  
  Caption: Head-on view of mouth
• 
  Species:
  Pseudohemiodon platycephalus
  
  Caption: Head, Dorsal view
• 
  Species:
  Clarias batrachus
  
  Caption: Heavily gravid female
• 
  Species:
  Crossoloricaria cephalaspis
  
  Caption: Hiding in the sand
• 
  Species:
  Clupisoma longianale
  
  Caption: Holotype
• 
  Species:
  Clupisoma yunnanense
  
  Caption: Holotype
• 
  Species:
  Liobagrus chengduensis
  
  Caption: Holotype
• 
  Species:
  Trachyglanis sanghensis
  
  Caption: Holotype
• 
  Species:
  Netuma patriciae
  
  Caption: Holotype
• 
  Species:
  Ernstichthys taquari
  
  Caption: Holotype
• 
  Species:
  Hoplomyzon papillatus
  
  Caption: Holotype
• 
  Species:
  Pseudobunocephalus timbira
  
  Caption: Holotype
• 
  Species:
  Xyliphius anachoretes
  
  Caption: Holotype
• 
  Species:
  Xyliphius sofiae
  
  Caption: Holotype
• 
  Species:
  Ageneiosus uranophthalmus
  
  Caption: Holotype
• 
  Species:
  Centromochlus akwe
  
  Caption: Holotype
• 
  Species:
  Mystus prabini
  
  Caption: Holotype
• 
  Species:
  Tachysurus adiposalis
  
  Caption: Holotype
• 
  Species:
  Tachysurus latifrontalis
  
  Caption: Holotype
• 
  Species:
  Brochis (sub-clade 3) approuaguensis
  
  Caption: Holotype
• 
  Species:
  Brochis (sub-clade 3) brittoi
  
  Caption: Holotype
• 
  Species:
  Corydoras filamentosus
  
  Caption: Holotype
• 
  Species:
  Hoplisoma carlae
  
  Caption: Holotype
• 
  Species:
  Hoplisoma froehlichi
  
  Caption: Holotype
• 
  Species:
  Hoplisoma guianense
  
  Caption: Holotype
• 
  Species:
  Hoplisoma lymnades
  
  Caption: Holotype
• 
  Species:
  Hoplisoma pavanelliae
  
  Caption: Holotype
• 
  Species:
  Clarias monsembulai
  
  Caption: Holotype
• 
  Species:
  Clarias serniosus
  
  Caption: Holotype
• 
  Species:
  Pseudotanganikallabes prognatha
  
  Caption: Holotype
• 
  Species:
  Pardiglanis tarabinii
  
  Caption: Holotype
• 
  Species:
  Acanthodoras depressus
  
  Caption: Holotype
• 
  Species:
  Leptodoras rogersae
  
  Caption: Holotype
• 
  Species:
  Platydoras brachylecis
  
  Caption: Holotype
• 
  Species:
  Rhinodoras thomersoni
  
  Caption: Holotype
• 
  Species:
  Cetopsorhamdia hidalgoi
  
  Caption: Holotype
• 
  Species:
  Cetopsorhamdia phantasia
  
  Caption: Holotype
• 
  Species:
  Mastiglanis yaguas
  
  Caption: Holotype
• 
  Species:
  Nemuroglanis furcatus
  
  Caption: Holotype
• 
  Species:
  Phenacorhamdia cabocla
  
  Caption: Holotype
• 
  Species:
  Pimelodella longibarbata
  
  Caption: Holotype
• 
  Species:
  Pimelodella yaharo
  
  Caption: Holotype
• 
  Species:
  Heteropneustes fuscus
  
  Caption: Holotype
• 
  Species:
  Noturus maydeni
  
  Caption: Holotype
• 
  Species:
  Ancistrus krenakarore
  
  Caption: Holotype
• 
  Species:
  Cordylancistrus tayrona
  
  Caption: Holotype
• 
  Species:
  Farlowella altocorpus
  
  Caption: Holotype
• 
  Species:
  Farlowella gianetii
  
  Caption: Holotype
• 
  Species:
  Farlowella wuyjugu
  
  Caption: Holotype
• 
  Species:
  Farlowella yarigui
  
  Caption: Holotype
• 
  Species:
  Hemiancistrus furtivus
  
  Caption: Holotype
• 
  Species:
  Hypancistrus inspector
  
  Caption: Holotype
• 
  Species:
  Hypancistrus margaritatus
  
  Caption: Holotype
• 
  Species:
  Hypancistrus phantasma
  
  Caption: Holotype
• 
  Species:
  Hypostomus ericae
  
  Caption: Holotype
• 
  Species:
  Hypostomus melanephelis
  
  Caption: Holotype
• 
  Species:
  Hypostomus multidens
  
  Caption: Holotype
• 
  Species:
  Hypostomus robertsoni
  
  Caption: Holotype
• 
  Species:
  Panaqolus nix
  
  Caption: Holotype
• 
  Species:
  Parotocinclus jacksoni
  
  Caption: Holotype
• 
  Species:
  Parotocinclus nandae
  
  Caption: Holotype
• 
  Species:
  Peckoltia simulata
  
  Caption: Holotype
• 
  Species:
  Pseudancistrus pectegenitor
  
  Caption: Holotype
• 
  Species:
  Rhadinoloricaria rhami
  
  Caption: Holotype
• 
  Species:
  Rhadinoloricaria rhami
  
  Caption: Holotype
• 
  Species:
  Rhadinoloricaria stewarti
  
  Caption: Holotype
• 
  Species:
  Rhinotocinclus hera
  
  Caption: Holotype
• 
  Species:
  Spectracanthicus javae
  
  Caption: Holotype
• 
  Species:
  Spectracanthicus tocantinensis
  
  Caption: Holotype
• 
  Species:
  Microsynodontis armatus
  
  Caption: Holotype
• 
  Species:
  Microsynodontis laevigatus
  
  Caption: Holotype
• 
  Species:
  Microsynodontis notatus
  
  Caption: Holotype
• 
  Species:
  Pangasius silasi
  
  Caption: Holotype
• 
  Species:
  Pimelodus atrobrunneus
  
  Caption: Holotype
• 
  Species:
  Pimelodus pantaneiro
  
  Caption: Holotype
• 
  Species:
  Pimelodus pantaneiro
  
  Caption: Holotype
• 
  Species:
  Sorubim maniradii
  
  Caption: Holotype
• 
  Species:
  Sorubim trigonocephalus
  
  Caption: Holotype
• 
  Species:
  Cruciglanis pacifici
  
  Caption: Holotype
• 
  Species:
  Microglanis garavelloi
  
  Caption: Holotype
• 
  Species:
  Microglanis iheringi
  
  Caption: Holotype
• 
  Species:
  Microglanis leniceae
  
  Caption: Holotype
• 
  Species:
  Microglanis lundbergi
  
  Caption: Holotype
• 
  Species:
  Microglanis malabarbai
  
  Caption: Holotype
• 
  Species:
  Microglanis nigrolineatus
  
  Caption: Holotype
• 
  Species:
  Microglanis pataxo
  
  Caption: Holotype
• 
  Species:
  Microglanis pellopterygius
  
  Caption: Holotype
• 
  Species:
  Microglanis robustus
  
  Caption: Holotype
• 
  Species:
  Microglanis zonatus
  
  Caption: Holotype
• 
  Species:
  Pseudopimelodus atricaudus
  
  Caption: Holotype
• 
  Species:
  Pseudopimelodus magnus
  
  Caption: Holotype
• 
  Species:
  Rhyacoglanis beninei
  
  Caption: Holotype
• 
  Species:
  Silurus tomodai
  
  Caption: Holotype
• 
  Species:
  Erethistes koladynensis
  
  Caption: Holotype
• 
  Species:
  Erethistes nareshi
  
  Caption: Holotype
• 
  Species:
  Erethistes spinulus
  
  Caption: Holotype
• 
  Species:
  Glyptothorax distichus
  
  Caption: Holotype
• 
  Species:
  Glyptothorax igniculus
  
  Caption: Holotype
• 
  Species:
  Glyptothorax igniculus
  
  Caption: Holotype
• 
  Species:
  Glyptothorax igniculus
  
  Caption: Holotype
• 
  Species:
  Glyptothorax malabarensis
  
  Caption: Holotype
• 
  Species:
  Oreoglanis omkoiensis
  
  Caption: Holotype
• 
  Species:
  Pseudecheneis nagalandensis
  
  Caption: Holotype
• 
  Species:
  Cambeva atrobrunnea
  
  Caption: Holotype
• 
  Species:
  Cambeva galactica
  
  Caption: Holotype
• 
  Species:
  Cambeva guareiensis
  
  Caption: Holotype
• 
  Species:
  Cambeva luteoreticulata
  
  Caption: Holotype
• 
  Species:
  Cambeva rotundipinna
  
  Caption: Holotype
• 
  Species:
  Cambeva ytororo
  
  Caption: Holotype
• 
  Species:
  Paracanthopoma saci
  
  Caption: Holotype
• 
  Species:
  Rhizosomichthys totae
  
  Caption: Holotype
• 
  Species:
  Trichogenes beagle
  
  Caption: Holotype
• 
  Species:
  Trichomycterus betuliaensis
  
  Caption: Holotype
• 
  Species:
  Trichomycterus caribensis
  
  Caption: Holotype
• 
  Species:
  Trichomycterus lauzannii
  
  Caption: Holotype
• 
  Species:
  Trichomycterus mogotensis
  
  Caption: Holotype
• 
  Species:
  Trichomycterus quintus
  
  Caption: Holotype
• 
  Species:
  Trichomycterus vitalbrazili
  
  Caption: Holotype
• 
  Species:
  Trichomycterus vitalbrazili
  
  Caption: Holotype
• 
  Species:
  Corydoras zawadzkii
  
  Caption: Holotype - lateral view
• 
  Species:
  Hypancistrus inspector
  
  Caption: Holotype - ventral view
• 
  Species:
  Belonoglanis tenuis
  
  Caption: Holotype (B. curvirostris)
• 
  Species:
  Belonoglanis tenuis
  
  Caption: Holotype (B. nudipectus)
• 
  Species:
  Otocinclus bororo
  
  Caption: Holotype (illustrated by Tracy D. Pedersen)
• 
  Species:
  Otocinclus xakriaba
  
  Caption: Holotype (illustrated by Tracy D. Pedersen)
• 
  Species:
  Peckoltia sabaji
  
  Caption: Holotype (in life)
• 
  Species:
  Brochis (sub-clade 2) geryi
  
  Caption: Holotype (of C. bolivianus)
• 
  Species:
  Dupouyichthys sapito
  
  Caption: Holotype (USNM 121072), 23 mm, Dorsal view
• 
  Species:
  Microglanis ater
  
  Caption: Holotype (ZMB 20932)
• 
  Species:
  Microglanis ater
  
  Caption: Holotype (ZMB 20932), dorsal view
• 
  Species:
  Microglanis ater
  
  Caption: Holotype (ZMB 20932), ventral view
• 
  Species:
  Ancistrus amaris
  
  Caption: Holotype dorsal view
• 
  Species:
  Hypancistrus margaritatus
  
  Caption: Holotype in life
• 
  Species:
  Pseudolaguvia permaris
  
  Caption: Holotype in life.
• 
  Species:
  Lasiancistrus guacharote
  
  Caption: Holotype of L. mystacinus
• 
  Species:
  Hemibagrus capitulum
  
  Caption: Holotype of Hemibagrus chrysops
• 
  Species:
  Ancistrus amaris
  
  Caption: Holotype side view
• 
  Species:
  Ancistrus falconensis
  
  Caption: Holotype specimen - dorsal view
• 
  Species:
  Ancistrus falconensis
  
  Caption: Holotype specimen - lateral view
• 
  Species:
  Ancistrus amaris
  
  Caption: Holotype ventral view
• 
  Species:
  Batrochoglanis melanurus
  
  Caption: Holotype, 136.7 mm SL
• 
  Species:
  Chaetostoma chimu
  
  Caption: Holotype, 147.9mm SL
• 
  Species:
  Iheringichthys syi
  
  Caption: Holotype, 149.1 mm SL
• 
  Species:
  Microglanis sparsus
  
  Caption: Holotype, 23.1 mm SL
• 
  Species:
  Rhinotocinclus collinsae
  
  Caption: Holotype, 25.0 mm SL
• 
  Species:
  Microglanis oliveirai
  
  Caption: Holotype, 26.3 mm SL
• 
  Species:
  Microglanis xerente
  
  Caption: Holotype, 27.1 mm SL
• 
  Species:
  Microglanis xylographicus
  
  Caption: Holotype, 27.8 mm SL
• 
  Species:
  Corumbataia acanthodela
  
  Caption: Holotype, 27.9mm SL
• 
  Species:
  Microglanis reikoae
  
  Caption: Holotype, 28.6 mm SL
• 
  Species:
  Curculionichthys insperatus
  
  Caption: Holotype, 29.4mm SL
• 
  Species:
  Microglanis minutus
  
  Caption: Holotype, 29.7 mm SL
• 
  Species:
  Microglanis carlae
  
  Caption: Holotype, 32.5 mm SL
• 
  Species:
  Microglanis iheringi
  
  Caption: Holotype, 35 mm SL
• 
  Species:
  Microglanis maculatus
  
  Caption: Holotype, 36.5 mm SL
• 
  Species:
  Microglanis nigripinnis
  
  Caption: Holotype, 40.0 mm SL
• 
  Species:
  Microglanis leptostriatus
  
  Caption: Holotype, 42.28 mm
• 
  Species:
  Rhyacoglanis annulatus
  
  Caption: Holotype, 42.5mm SL
• 
  Species:
  Microglanis pleriqueater
  
  Caption: Holotype, 45.5 mm SL
• 
  Species:
  Rhyacoglanis epiblepsis
  
  Caption: Holotype, 53.3mm SL
• 
  Species:
  Myoglanis potaroensis
  
  Caption: Holotype, 58mm SL
• 
  Species:
  Astroblepus cacharas
  
  Caption: Holotype, 59.2mm SL
• 
  Species:
  Rhyacoglanis paranensis
  
  Caption: Holotype, 61.9mm SL
• 
  Species:
  Rhyacoglanis varii
  
  Caption: Holotype, 67.1 mm SL
• 
  Species:
  Cambeva flavopicta
  
  Caption: Holotype, 69.2 mm SL
• 
  Species:
  Rhyacoglanis seminiger
  
  Caption: Holotype, 74.2 mm SL
• 
  Species:
  Peckoltia otali
  
  Caption: Holotype, 76.5 mm SL
• 
  Species:
  Microglanis eurystoma
  
  Caption: Holotype, 77.6 mm SL
• 
  Species:
  Leptorhamdia aspredinoides
  
  Caption: Holotype, 95.6 mm SL
• 
  Species:
  Harttia merevari
  
  Caption: Holotype, 99.4 mm SL, dorsal view
• 
  Species:
  Harttia merevari
  
  Caption: Holotype, 99.4 mm SL, lateral view
• 
  Species:
  Harttia merevari
  
  Caption: Holotype, 99.4 mm SL, ventral 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:
  Paralithoxus mocidade
  
  Caption: Holotype, dorsal. Female.
• 
  Species:
  Gelanoglanis varii
  
  Caption: Holotype, female
• 
  Species:
  Parotocinclus jacumirim
  
  Caption: Holotype, female
• 
  Species:
  Rhinotocinclus bockmanni
  
  Caption: Holotype, female, 21.9mm SL
• 
  Species:
  Epactionotus advenus
  
  Caption: Holotype, female, 35.4 mm SL
• 
  Species:
  Paralithoxus mocidade
  
  Caption: Holotype, female.
• 
  Species:
  Bunocephalus hertzi
  
  Caption: Holotype, lateral view
• 
  Species:
  Hoplisoma apiaka
  
  Caption: Holotype, lateral view
• 
  Species:
  Cetopsorhamdia clathrata
  
  Caption: Holotype, lateral view
• 
  Species:
  Cetopsorhamdia spilopleura
  
  Caption: Holotype, lateral view
• 
  Species:
  Otocinclus mangaba
  
  Caption: Holotype, lateral view
• 
  Species:
  Otothyropsis biamnicus
  
  Caption: Holotype, lateral view
• 
  Species:
  Rineloricaria aurata
  
  Caption: Holotype, lateral view
• 
  Species:
  Ferrarissoaresia meridionalis
  
  Caption: Holotype, male
• 
  Species:
  Pareiorhaphis vetula
  
  Caption: Holotype, male
• 
  Species:
  Rineloricaria isaaci
  
  Caption: Holotype, male
• 
  Species:
  Microglanis berbixae
  
  Caption: Holotype, male 54.2 mm SL
• 
  Species:
  Pareiorhaphis vetula
  
  Caption: Holotype, male, dorsal view
• 
  Species:
  Rineloricaria isaaci
  
  Caption: Holotype, male, dorsal view
• 
  Species:
  Pareiorhaphis vetula
  
  Caption: Holotype, male, ventral view
• 
  Species:
  Rineloricaria isaaci
  
  Caption: Holotype, male, ventral view
• 
  Species:
  Ferrarissoaresia meridionalis
  
  Caption: Holotype, male; Dorsal view
• 
  Species:
  Ferrarissoaresia meridionalis
  
  Caption: Holotype, male; Ventral view
• 
  Species:
  Trachydoras gepharti
  
  Caption: Holotype, río Ventuari, Raudales Tencua, Venezuela
• 
  Species:
  Tatia caudosignata
  
  Caption: Holotype, side view
• 
  Species:
  Ancistrus kellerae
  
  Caption: Holotype, side view
• 
  Species:
  Ancistrus leoni
  
  Caption: Holotype, side view
• 
  Species:
  Ancistrus saudades
  
  Caption: Holotype, side view
• 
  Species:
  Ancistrus yutajae
  
  Caption: Holotype, side view
• 
  Species:
  Ernstichthys taquari
  
  Caption: Holotype, ventral view
• 
  Species:
  Pseudobunocephalus timbira
  
  Caption: Holotype, ventral view
• 
  Species:
  Xyliphius anachoretes
  
  Caption: Holotype, Ventral view
• 
  Species:
  Centromochlus akwe
  
  Caption: Holotype, ventral view
• 
  Species:
  Tatia caudosignata
  
  Caption: Holotype, ventral view
• 
  Species:
  Tachysurus latifrontalis
  
  Caption: Holotype, ventral view
• 
  Species:
  Brochis (sub-clade 3) brittoi
  
  Caption: Holotype, ventral view
• 
  Species:
  Hoplisoma apiaka
  
  Caption: Holotype, ventral view
• 
  Species:
  Hoplisoma pavanelliae
  
  Caption: Holotype, ventral view
• 
  Species:
  Pseudotanganikallabes prognatha
  
  Caption: Holotype, ventral view
• 
  Species:
  Pardiglanis tarabinii
  
  Caption: Holotype, ventral view
• 
  Species:
  Cetopsorhamdia hidalgoi
  
  Caption: Holotype, ventral view
• 
  Species:
  Leptorhamdia aspredinoides
  
  Caption: Holotype, ventral view
• 
  Species:
  Mastiglanis yaguas
  
  Caption: Holotype, ventral view
• 
  Species:
  Pimelodella longibarbata
  
  Caption: Holotype, ventral view
• 
  Species:
  Pimelodella yaharo
  
  Caption: Holotype, ventral view
• 
  Species:
  Heteropneustes fuscus
  
  Caption: Holotype, ventral view
• 
  Species:
  Ancistrus kellerae
  
  Caption: Holotype, ventral view
• 
  Species:
  Ancistrus leoni
  
  Caption: Holotype, ventral view
• 
  Species:
  Ancistrus saudades
  
  Caption: Holotype, ventral view
• 
  Species:
  Ancistrus yutajae
  
  Caption: Holotype, ventral view
• 
  Species:
  Chaetostoma chimu
  
  Caption: Holotype, ventral view
• 
  Species:
  Cordylancistrus tayrona
  
  Caption: Holotype, ventral view
• 
  Species:
  Corumbataia acanthodela
  
  Caption: Holotype, ventral view
• 
  Species:
  Curculionichthys insperatus
  
  Caption: Holotype, ventral view
• 
  Species:
  Epactionotus advenus
  
  Caption: Holotype, ventral view
• 
  Species:
  Farlowella altocorpus
  
  Caption: Holotype, ventral view
• 
  Species:
  Farlowella gianetii
  
  Caption: Holotype, ventral view
• 
  Species:
  Farlowella wuyjugu
  
  Caption: Holotype, ventral view
• 
  Species:
  Farlowella yarigui
  
  Caption: Holotype, ventral view
• 
  Species:
  Hemiancistrus furtivus
  
  Caption: Holotype, ventral view
• 
  Species:
  Hypancistrus margaritatus
  
  Caption: Holotype, Ventral view
• 
  Species:
  Hypancistrus phantasma
  
  Caption: Holotype, Ventral view
• 
  Species:
  Hypostomus ericae
  
  Caption: Holotype, ventral view
• 
  Species:
  Hypostomus multidens
  
  Caption: Holotype, ventral view
• 
  Species:
  Hypostomus robertsoni
  
  Caption: Holotype, ventral view
• 
  Species:
  Otocinclus mangaba
  
  Caption: Holotype, ventral view
• 
  Species:
  Parotocinclus jacksoni
  
  Caption: Holotype, ventral view
• 
  Species:
  Parotocinclus nandae
  
  Caption: Holotype, ventral view
• 
  Species:
  Rhinotocinclus hera
  
  Caption: Holotype, ventral view
• 
  Species:
  Rineloricaria aurata
  
  Caption: Holotype, ventral view
• 
  Species:
  Spectracanthicus javae
  
  Caption: Holotype, ventral view
• 
  Species:
  Spectracanthicus tocantinensis
  
  Caption: Holotype, ventral view
• 
  Species:
  Microsynodontis armatus
  
  Caption: Holotype, ventral view
• 
  Species:
  Microsynodontis laevigatus
  
  Caption: Holotype, ventral view
• 
  Species:
  Microsynodontis notatus
  
  Caption: Holotype, ventral view
• 
  Species:
  Batrochoglanis melanurus
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis carlae
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis garavelloi
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis leniceae
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis leptostriatus
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis lundbergi
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis maculatus
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis malabarbai
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis minutus
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis oliveirai
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis pataxo
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis pleriqueater
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis reikoae
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis robustus
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis sparsus
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis xerente
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis xylographicus
  
  Caption: Holotype, ventral view
• 
  Species:
  Microglanis zonatus
  
  Caption: Holotype, ventral view
• 
  Species:
  Pseudopimelodus atricaudus
  
  Caption: Holotype, ventral view
• 
  Species:
  Pseudopimelodus magnus
  
  Caption: Holotype, ventral view
• 
  Species:
  Rhyacoglanis annulatus
  
  Caption: Holotype, ventral view
• 
  Species:
  Rhyacoglanis beninei
  
  Caption: Holotype, ventral view
• 
  Species:
  Rhyacoglanis epiblepsis
  
  Caption: Holotype, ventral view
• 
  Species:
  Rhyacoglanis paranensis
  
  Caption: Holotype, ventral view
• 
  Species:
  Rhyacoglanis seminiger
  
  Caption: Holotype, ventral view
• 
  Species:
  Rhyacoglanis varii
  
  Caption: Holotype, ventral view
• 
  Species:
  Erethistes koladynensis
  
  Caption: Holotype, ventral view
• 
  Species:
  Erethistes spinulus
  
  Caption: Holotype, ventral view
• 
  Species:
  Glyptothorax distichus
  
  Caption: Holotype, ventral view
• 
  Species:
  Oreoglanis omkoiensis
  
  Caption: Holotype, ventral view
• 
  Species:
  Pseudecheneis nagalandensis
  
  Caption: Holotype, ventral view
• 
  Species:
  Cambeva atrobrunnea
  
  Caption: Holotype, ventral view
• 
  Species:
  Cambeva flavopicta
  
  Caption: Holotype, ventral view
• 
  Species:
  Cambeva galactica
  
  Caption: Holotype, ventral view
• 
  Species:
  Cambeva luteoreticulata
  
  Caption: Holotype, ventral view
• 
  Species:
  Cambeva rotundipinna
  
  Caption: Holotype, ventral view
• 
  Species:
  Paracanthopoma saci
  
  Caption: Holotype, ventral view
• 
  Species:
  Trichogenes beagle
  
  Caption: Holotype, ventral view
• 
  Species:
  Trichomycterus lauzannii
  
  Caption: Holotype, ventral view
• 
  Species:
  Astroblepus cacharas
  
  Caption: Holotype, ventral view of head
• 
  Species:
  Peckoltia otali
  
  Caption: Holotype, ventral view, 76.5 mm SL
• 
  Species:
  Rhadinoloricaria stewarti
  
  Caption: Holotype, ventral view.
• 
  Species:
  Rhinotocinclus bockmanni
  
  Caption: Holotype, ventral view. Female, 21.9mm SL
• 
  Species:
  Trichomycterus rosablanca
  
  Caption: Holotype, ventral view. Photo by Felipe Villegas
• 
  Species:
  Ancistrus patronus
  
  Caption: Holotype, ventral view. Photo: Nathan Lujan
• 
  Species:
  Paralithoxus mocidade
  
  Caption: Holotype, ventral. Female.
• 
  Species:
  Guyanancistrus tenuis
  
  Caption: Holotype; Brazil: Para: tributary of Rio Mapaoni
• 
  Species:
  Guyanancistrus tenuis
  
  Caption: Holotype; Brazil: Para: tributary of Rio Mapaoni
• 
  Species:
  Guyanancistrus tenuis
  
  Caption: Holotype; Brazil: Para: tributary of Rio Mapaoni
• 
  Species:
  Cryptancistrus similis
  
  Caption: Holotype; Brazil: Sipaliwini/Paru Savannah
• 
  Species:
  Cryptancistrus similis
  
  Caption: Holotype; Brazil: Sipaliwini/Paru Savannah
• 
  Species:
  Cryptancistrus similis
  
  Caption: Holotype; Brazil: Sipaliwini/Paru Savannah
• 
  Species:
  Guyanancistrus teretirostris
  
  Caption: Holotype; Brazil: Sipaliwini/Paru Savannah
• 
  Species:
  Guyanancistrus teretirostris
  
  Caption: Holotype; Brazil: Sipaliwini/Paru Savannah
• 
  Species:
  Guyanancistrus teretirostris
  
  Caption: Holotype; Brazil: Sipaliwini/Paru Savannah
• 
  Species:
  Hoplisoma froehlichi
  
  Caption: Holotype; dorsal view
• 
  Species:
  Hoplisoma froehlichi
  
  Caption: Holotype; ventral view
• 
  Species:
  Olyra horae
  
  Caption: Holotype.
• 
  Species:
  Erethistes koladynensis
  
  Caption: Holotype.
• 
  Species:
  Heptapterus carnatus
  
  Caption: Holotype. Bar = 1cm
• 
  Species:
  Heptapterus exilis
  
  Caption: Holotype. Bar = 1cm
• 
  Species:
  Heptapterus carnatus
  
  Caption: Holotype. Dorsal view. Bar = 1cm
• 
  Species:
  Heptapterus exilis
  
  Caption: Holotype. Dorsal view. Bar = 1cm
• 
  Species:
  Tatia akroa
  
  Caption: Holotype. Male.
• 
  Species:
  Tatia akroa
  
  Caption: Holotype. Male. Dorsal view
• 
  Species:
  Tatia akroa
  
  Caption: Holotype. Male. Ventral view
• 
  Species:
  Peckoltia cavatica
  
  Caption: Holotype. Photo by M. H. Sabaj
• 
  Species:
  Ancistrus patronus
  
  Caption: Holotype. Photo: Nathan Lujan
• 
  Species:
  Trichomycterus rosablanca
  
  Caption: Holotype. Photograph by Felipe Villegas
• 
  Species:
  Heptapterus carnatus
  
  Caption: Holotype. Ventral view. Bar = 1cm
• 
  Species:
  Heptapterus exilis
  
  Caption: Holotype. Ventral view. Bar = 1cm
• 
  Species:
  Otocinclus vittatus
  
  Caption: Hours after hatching.
• 
  Species:
  Panaqolus sp. (L351)
  
  Caption: Huallaga, Adult
• 
  Species:
  Panaqolus sp. (L351)
  
  Caption: Huallaga, Juvenile
• 
  Species:
  Corydoras fowleri
  
  Caption: Huanta
• 
  Species:
  Synodontis multipunctatus
  
  Caption: Humeral process outlined in black
• 
  Species:
  Synodontis macrops
  
  Caption: Humeral process-100 mm SL specimen
• 
  Species:
  Noturus fasciatus
  
  Caption: Humphreys County, TN, USA
• 
  Species:
  Hypancistrus sp. (L174)
  
  Caption: Hypancistrus zebra (left) and L174 (right)
• 
  Species:
  Corumbataia acanthodela
  
  Caption: Hypertrophied odontodes on head of male