Fish Species of the Atlantic Ocean

Obese dragonfish

Opostomias micripnus

LC 🌊 Marine

Occidental blenny

Starksia occidentalis

LC 🌊 Marine

Ocean sunfish

Mola mola

VU 🌊 Marine

Ocean triggerfish

Canthidermis sufflamen

LC 🌊 Marine

Ocean whitefish

Caulolatilus princeps

LC 🌊 Marine

Oceanic puffer

Lagocephalus lagocephalus

LC 🌊 Marine

Oceanic two-wing flyingfish

Exocoetus obtusirostris

LC 🌊 Marine

Oceanic whitetip shark

Carcharhinus longimanus

CR 🌊 Marine

Ocellate Cusk-eel

Neobythites ocellatus

LC 🌊 Marine

Ocellated electric ray

Diplobatis ommata

LC 🌊 Marine

Ocellated frogfish

Fowlerichthys ocellatus

LC 🌊 Marine

Ocellated killifish

Floridichthys polyommus

LC 💧 Freshwater

Ocellated moray

Gymnothorax ocellatus

LC 🌊 Marine

Ocellated Pipefish

Bryx randalli

LC 🌊 Marine

Ocellated Toadfish

Porichthys oculofrenum

DD 🌊 Marine

Ocellated turbot

Pleuronichthys ocellatus

LC 🌊 Marine

Ocellated wedge sole

Dicologlossa hexophthalma

LC 🌊 Marine

Ochmacanthus Reinhardtii

Ochmacanthus reinhardtii

LC 💧 Freshwater

Odd Astyanax

Bryconamericus uporas

LC 💧 Freshwater

Odontesthes Bicudo

Odontesthes bicudo

EN 💧 Freshwater

Odontesthes Incisa

Odontesthes incisa

LC 🔄 Diadromous

Odontesthes Piquava

Odontesthes piquava

NT 💧 Freshwater

Odontesthes Retropinnis

Odontesthes retropinnis

DD 💧 Freshwater

Odontostilbe Paraguayensis

Odontostilbe paraguayensis

LC 💧 Freshwater

Offshore lizardfish

Synodus poeyi

LC 🌊 Marine

Offshore silver hake

Merluccius albidus

LC 🌊 Marine

Ogcocephalus Cubifrons

Ogcocephalus cubifrons

LC 🌊 Marine

Ohrid trout

Salmo letnica

EN 💧 Freshwater

Oilfish

Ruvettus pretiosus

LC 🌊 Marine

Okapi goby

Lythrypnus okapia

LC 🌊 Marine

Olga cory

Corydoras simulatus

VU 💧 Freshwater

Oligosarcus Acutirostris

Oligosarcus acutirostris

LC 💧 Freshwater

Oligosarcus Brevioris

Oligosarcus brevioris

LC 💧 Freshwater

Oligosarcus Paranensis

Oligosarcus paranensis

LC 💧 Freshwater

Olivaceous wormfish

Microdesmus affinis

LC 🌊 Marine

Olive cory

Corydoras ehrhardti

LC 💧 Freshwater

Olive rockfish

Sebastes serranoides

🌊 Marine

Olmec blind catfish

Rhamdia macuspanensis

NT 💧 Freshwater

Olympic mudminnow

Novumbra hubbsi

LC 💧 Freshwater

Omosudid

Omosudis lowii

LC 🌊 Marine

One-eyed blenny

Paraclinus monophthalmus

LC 🌊 Marine

Onefin skate

Gurgesiella dorsalifera

VU 🌊 Marine

Oneirodes Anisacanthus

Oneirodes anisacanthus

DD 🌊 Marine

Oneirodes Basili

Oneirodes basili

DD 🌊 Marine

Oneirodes Carlsbergi

Oneirodes carlsbergi

LC 🌊 Marine

Oneirodes Notius

Oneirodes notius

LC 🌊 Marine

Oneline pencilfish

Nannostomus unifasciatus

LC 💧 Freshwater

Onesided livebearer

Jenynsia lineata

LC 💧 Freshwater