All Fish

Nezumia semiquincunciata

Not Evaluated saltwater

Nezumia tinro

Not Evaluated saltwater

Nezumia toi

Not Evaluated saltwater

Nezumia umbracincta

Not Evaluated saltwater

Nezumia ventralis

Not Evaluated saltwater

Nezu-sunaginpo

Myopsaron nelsoni

Not Evaluated saltwater

Ngai

Hyperopisus bebe

Not Evaluated brackish

Ngarim

Garra chivaensis

Not Evaluated freshwater

Ngawa

Opsarius lairokensis

Not Evaluated freshwater

Niangua Darter

Etheostoma nianguae

Not Evaluated freshwater

Nibea coibor

Not Evaluated saltwater

Nicaragua gizzard shad

Dorosoma chavesi

Not Evaluated freshwater

Nicholsina collettei

Not Evaluated saltwater

Nichols Maulbrüter

Pseudocrenilabrus nicholsi

Not Evaluated freshwater

Nichols' worm eel

Scolecenchelys nicholsarum

Not Evaluated saltwater

Niebuhr's goatfish

Upeneus niebuhri

Not Evaluated saltwater

Nielsen's catetyx

Cataetyx nielseni

Not Evaluated saltwater

Nielsen's mudbrotula

Dermatopsis joergennielseni

Not Evaluated saltwater

Nielsen's righteye flounder

Samariscus nielseni

Not Evaluated saltwater

Niger hind

Cephalopholis nigri

Not Evaluated saltwater

Nigerian fangtooth pellonuline

Odaxothrissa mento

Not Evaluated freshwater

Nigerian tonguesole

Cynoglossus browni

Not Evaluated saltwater

Niger stingray

Fontitrygon garouaensis

Not Evaluated freshwater

Nightfish

Bostockia porosa

Not Evaluated freshwater

Nightlight fish

Lampanyctus alatus

Not Evaluated saltwater

Nightmare dreamer

Oneirodes epithales

Not Evaluated saltwater

Night Shark

Carcharhinus signatus

Not Evaluated saltwater

Night smelt

Spirinchus starksi

Not Evaluated saltwater

Nihon-kin-kajika

Cottiusculus nihonkaiensis

Not Evaluated saltwater

Nihon-manjudara

Malacocephalus nipponensis

Not Evaluated saltwater

Nihon-sokodara

Pseudonezumia japonica

Not Evaluated saltwater

Niji-ginzame

Hydrolagus eidolon

Not Evaluated saltwater

Nijssen's cory

Corydoras nijsseni

Not Evaluated freshwater

Nijssen's Hypopygus

Hypopygus nijsseni

Not Evaluated freshwater

Nikhil's torrent catfish

Amblyceps accari

Not Evaluated freshwater

Nikolay's lanternfish

Bolinichthys nikolayi

Not Evaluated saltwater