All Fish

Otopharynx pachycheilus

Not Evaluated freshwater

Otopharynx panniculus

Not Evaluated freshwater

Otopharynx peridodeka

Not Evaluated freshwater

Otopharynx selenurus

Not Evaluated freshwater

Otopharynx speciosus

Not Evaluated freshwater

Otopharynx spelaeotes

Not Evaluated freshwater

Otopharynx styrax

Not Evaluated freshwater

Otopharynx tetrastigma

Not Evaluated freshwater

Otothyris juquiae

Not Evaluated freshwater

Otothyris travassosi

Not Evaluated freshwater

Otothyropsis alicula

Not Evaluated freshwater

Otothyropsis biamnicus

Not Evaluated freshwater

Otothyropsis dialeukos

Not Evaluated freshwater

Otothyropsis marapoama

Not Evaluated freshwater

Otothyropsis piribebuy

Not Evaluated freshwater

Otothyropsis polyodon

Not Evaluated freshwater

Ottoseikajika

Stelgistrum stejnegeri

Not Evaluated saltwater

Otuno

Olivaichthys viedmensis

Not Evaluated freshwater

Ouachita darter

Percina brucethompsoni

Not Evaluated freshwater

Ouachita Madtom

Noturus lachneri

Not Evaluated freshwater

Ouachita Mountain Shiner

Lythrurus snelsoni

Not Evaluated freshwater

Outer-reef damsel

Pomacentrus emarginatus

Not Evaluated saltwater

Ouwen's goby

Sicyopterus ouwensi

Not Evaluated freshwater

Oval chromis

Chromis alta

Not Evaluated saltwater

Ovaleye soldierfish

Ostichthys ovaloculus

Not Evaluated saltwater

Oval flounder

Syacium ovale

Not Evaluated saltwater

Oval-spot goby

Asterropteryx ovata

Not Evaluated saltwater

Ovate chromis

Pycnochromis ovatiformis

Not Evaluated saltwater

Ovate sole

Solea ovata

Not Evaluated saltwater

Ovoid ponyfish

Gazza dentex

Not Evaluated saltwater

Owens Pupfish

Cyprinodon radiosus

Not Evaluated freshwater

Owens sucker

Catostomus fumeiventris

Not Evaluated freshwater

Owl ray

Raja microocellata

Not Evaluated saltwater

Owstonia ainonaka

Not Evaluated saltwater

Owstonia contodon

Not Evaluated saltwater

Owstonia crassa

Not Evaluated saltwater