جميع الأسماك

Notarius biffi

Not Evaluated saltwater

Notarius cookei

Not Evaluated brackish

Notarius insculptus

Not Evaluated saltwater

Nothobranchius albimarginatus

Not Evaluated freshwater

Nothobranchius angelae

Not Evaluated freshwater

Nothobranchius balamaensis

Not Evaluated freshwater

Numamutsu

Nipponocypris sieboldii

Not Evaluated freshwater

Notoglanidium thomasi

Not Evaluated freshwater

Notoliparis antonbruuni

Not Evaluated saltwater

Notoliparis stewarti

Not Evaluated saltwater

Notoraja fijiensis

Not Evaluated saltwater

Notoraja inusitata

Not Evaluated saltwater

Notoraja longiventralis

Not Evaluated saltwater

Nuchequula longicornis

Not Evaluated saltwater

Nuchequula mannusella

Not Evaluated saltwater

Nurse hound

Scyliorhinus cervigoni

Not Evaluated saltwater

Nuakata shrimpgoby

Tomiyamichthys stuarti

Not Evaluated saltwater

Numa-chichibu

Tridentiger brevispinis

Not Evaluated both

Mochoroca

Cichlasoma orinocense

Not Evaluated freshwater

Odontesthes brevianalis

Not Evaluated freshwater

Odontesthes gracilis

Not Evaluated freshwater

Odontesthes mauleanum

Not Evaluated freshwater

Odontesthes orientalis

Not Evaluated freshwater

Odontesthes wiebrichi

Not Evaluated freshwater

Odontocharacidium varii

Not Evaluated freshwater

Odontostilbe avanhandava

Not Evaluated freshwater

Odontostilbe ecuadorensis

Not Evaluated freshwater

Odontostilbe euspilurus

Not Evaluated freshwater

Odontostilbe littoris

Not Evaluated freshwater

Odontostilbe paraguayensis

Not Evaluated freshwater

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