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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 cf. cirrhosus
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: Corydoras(ln7) 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: Hypancistrus debilittera
Caption: Pair (female right)
Species: Corydoras(ln6) diphyes
Caption: Pair (female to left)
Species: Corydoras(ln9) 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. `PERU(1)`
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: Corydoras(ln5) gracilis
Caption: Pair laying eggs
Species: Panaqolus albivermis
Caption: Pair prepare to spawn
Species: Corydoras(ln9) 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 cf. cirrhosus
Caption: Pair with eggs
Species: Rineloricaria parva
Caption: Pair with eggs
Species: Aspidoras spilotus
Caption: Pair-male above
Species: Tatia strigata
Caption: Pair, female above
Species: Spectracanthicus zuanoni
Caption: Pair, female above
Species: Corydoras(ln9) sp. (Cw127)
Caption: Pair, female above.
Species: Corydoras(ln8sc4) condiscipulus
Caption: Pair, female below
Species: Parancistrus nudiventris
Caption: Pair, female below
Species: Corydoras(ln9) 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: Corydoras(ln8sc3) pantanalensis
Caption: Pair, male below
Species: Hemiancistrus sp. (L128)
Caption: Pair, male below
Species: Chaca chaca
Caption: Pair, male in cave
Species: Trachelyopterus fisheri
Caption: Pair, male in foreground
Species: Corydoras(ln7) 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: Corydoras(ln7) 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 gyrina
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: Corydoras(ln9) concolor
Caption: Pale stress colouration
Species: Corydoras(ln9) sp. (Cw047)
Caption: Palumeu
Species: Leptoancistrus canensis
Caption: Panama, RÃo Vistamares
Species: Trichomycterus striatus
Caption: Panama, RÃo 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: Aspidoras menezesi
Caption: Paratype
Species: Corydoras(ln1) orcesi
Caption: Paratype
Species: Corydoras(ln8sc4) approuaguensis
Caption: Paratype
Species: Leptodoras nelsoni
Caption: Paratype
Species: Heteropneustes fuscus
Caption: Paratype
Species: Rhinolekos 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: Trichomycterus quintus
Caption: Paratype
Species: Synodontis katangae
Caption: Paratype (BMNH 1943.7.27.422)
Species: Corydoras(ln8sc3) 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: 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: Hisonotus bockmanni
Caption: Paratype, female. 23.2mm SL
Species: Paralithoxus mocidade
Caption: Paratype, female. Photo by Haroldo Palo Jr.
Species: Gelanoglanis varii
Caption: Paratype, male
Species: Paralithoxus mocidade
Caption: Paratype, male.
Species: Microglanis garavelloi
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: Chaetostoma dermorhynchus
Caption: Pastaza River drainage
Species: Chaetostoma dermorhynchus
Caption: Pastaza River drainage
Species: Chaetostoma milesi
Caption: Pectoral fin
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 iheringi
Caption: Pectoral fin spine, dorsal view
Species: Microglanis 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: 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: 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: Astroblepus cyclopus
Caption: Photo: Fredy Nugra
Species: Ancistrus patronus
Caption: Photo: Nathan Lujan
Species: Ancistrus cf. cirrhosus
Caption: Piebald variety
Species: Ancistrus cf. cirrhosus
Caption: Piebald variety
Species: Ancistrus cf. cirrhosus
Caption: Piebald variety
Species: Ancistrus cf. cirrhosus
Caption: Piebald variety
Species: Ancistrus cf. cirrhosus
Caption: Piebald variety
Species: Ancistrus cf. cirrhosus
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: 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