सभी मछलियाँ

Odontostilbe littoris

Not Evaluated freshwater

Odontostilbe paraguayensis

Not Evaluated freshwater

Oesers Prachtkärpfling

Fundulopanchax oeseri

Not Evaluated freshwater

Ohio lamprey

Ichthyomyzon bdellium

Not Evaluated freshwater

Ojiro-hadaka

Idiolychnus urolampus

Not Evaluated saltwater

Odontostilbe parecis

Not Evaluated freshwater

Odontostilbe pulchra

Not Evaluated freshwater

Odontostilbe stenodon

Not Evaluated freshwater

Odontostilbe weitzmani

Not Evaluated freshwater

Odontostoechus lethostigmus

Not Evaluated freshwater

Ogilbyina salvati

Not Evaluated saltwater

Ogasawara sweeper

Pempheris familia

Not Evaluated saltwater

Offshore rockfish

Pontinus kuhlii

Not Evaluated saltwater

Ohrid trout

Salmo letnica

Not Evaluated freshwater

Okhotsk skate

Bathyraja violacea

Not Evaluated saltwater

Okinawa chromis

Chromis okamurai

Not Evaluated saltwater

Olga cory

Corydoras simulatus

Not Evaluated freshwater

Okefenokee pygmy sunfish

Elassoma okefenokee

Not Evaluated freshwater

Okapi goby

Gobionellus liolepis

Not Evaluated saltwater

Okhotsk snailfish

Liparis ochotensis

Not Evaluated saltwater

Oktedi rainbowfish

Melanotaenia oktediensis

Not Evaluated freshwater

Okitango

Neoditrema ransonnetii

Not Evaluated saltwater

Okamejei philipi

Not Evaluated saltwater

Okikazunagi

Opisthocentrus zonope

Not Evaluated saltwater

Old woman

Pomacanthus rhomboides

Not Evaluated saltwater

Okinawa pygmy-goby

Trimma okinawae

Not Evaluated saltwater

Olivaceous wormfish

Microdesmus affinis

Not Evaluated saltwater

Olympic Mudminnow

Novumbra hubbsi

Not Evaluated freshwater

Oligobrycon microstomus

Not Evaluated freshwater

Oligosarcus amome

Not Evaluated freshwater

Oligosarcus itau

Not Evaluated freshwater

Oligosarcus jacuiensis

Not Evaluated freshwater

Oligosarcus planaltinae

Not Evaluated freshwater

Oligosarcus varii

Not Evaluated freshwater

Olyra astrifera

Not Evaluated freshwater

Olive-backed rockfish

Sebastes saxicola

Not Evaluated saltwater