Todos los Peces

Oligosarcus solitarius

Not Evaluated freshwater

Blue-spotted puffer

Omegophora cyanopunctata

Not Evaluated saltwater

Fang-toothed blenny

Omobranchus ferox

Not Evaluated brackish

Robert's blenny

Omobranchus robertsi

Not Evaluated saltwater

Ompok platyrhynchus

Not Evaluated freshwater

Opistognathus fossoris

Not Evaluated saltwater

Yellow jawfish

Opistognathus gilberti

Not Evaluated saltwater

Rosenberg's jawfish

Opistognathus rosenbergii

Not Evaluated saltwater

Gulf toadfish

Opsanus beta

Not Evaluated saltwater

Opsariichthys macrolepis

Not Evaluated freshwater

Western roughy

Optivus agrammus

Not Evaluated saltwater

Carpet shark

Orectolobus maculatus

Not Evaluated saltwater

Blue tilapia

Oreochromis aureus

Not Evaluated brackish

Wide-lipped Natron tilapia

Oreochromis latilabris

Not Evaluated freshwater

African mouthbrooder

Oreochromis mossambicus

Not Evaluated brackish

Elliot's cardinal fish

Ostorhinchus aureus

Not Evaluated saltwater

Blue-eye cardinalfish

Ostorhinchus compressus

Not Evaluated saltwater

Doederlein's cardinalfish

Ostorhinchus doederleini

Not Evaluated saltwater

Barred striped cardinalfish

Ostorhinchus fasciatus

Not Evaluated saltwater

Brassy cardinalfish

Ostorhinchus flavus

Not Evaluated saltwater

Bullseye cardinalfish

Ostorhinchus fleurieu

Not Evaluated saltwater

Flag-fin cardinal

Ostorhinchus hoevenii

Not Evaluated saltwater

Ostorhinchus noumeae

Not Evaluated saltwater

Redspot cardinalfish

Ostorhinchus parvulus

Not Evaluated saltwater

Schlegel's cardinalfish

Ostorhinchus schlegeli

Not Evaluated saltwater

Otocinclus batmani

Not Evaluated freshwater

Maekhlong zipper loach

Paracanthocobitis maekhlongensis

Not Evaluated freshwater

Paracetopsis atahualpa

Not Evaluated freshwater

Paracetopsis esmeraldas

Not Evaluated freshwater

Carpenter's flasherwrasse

Paracheilinus carpenteri

Not Evaluated saltwater

Large-scale mullet

Parachelon grandisquamis

Not Evaluated both

False yellowjacket cichlid

Parachromis motaguensis

Not Evaluated brackish

Professor blenny

Paraclinus stephensi

Not Evaluated saltwater

Eastern crested loach

Paracobitis longicauda

Not Evaluated freshwater

Paracobitis rhadinaea

Not Evaluated freshwater

Karen's sandperch

Parapercis altipinnis

Not Evaluated saltwater