Fish living in the USA

Gar, Spotted

Lepisosteus oculatus

The body of the spotted gar is long and cylindrical, covered with hard ganoid (rhomboid) scales. …

Goldeye

Hiodon alosoides

The goldeye is a small fish with a compressed body that is deep in proportion to …

Grass pickerel, Redfin pickerel

Esox americanus vermiculatus, Esox americanus americanus

Thin and cylindrical, grass and redfin pickerel look very similar to chain pickerel, with the same …

Grayling, Arctic

Thymallus arcticus

Graceful lines, large fins and spectacular coloration make the grayling a striking fish. The most striking …

Hogsucker, Northern

Hypentelium nigricans

The Northern Hogsucker gets its name from its pig-like appearance, especially its head. It has a …

Inconnu

Stenodus leucichthys

The general shape of the inconnu's body is very similar to that of the charr or …

Lamprey: Sea Lamprey

Petromyzon marinus

Fish without jaws are fish-like vertebrates, eel-like in shape, with a cartilaginous or fibrous skeleton in …

Madtom, Brown

Noturus phaeus

Brown madtom has a dull coloration. The upper part of the body has a chocolate brown …

Madtoms: Black Madtom

Noturus funebris

The madtom is recognized by its unique fleshy fin. In non-madtom catfish, the fat fin protrudes …

Minnow, Fathead

Pimephales promelas

The fathead minnow has a puny, deep, compressed body with a short, flattened head. The snout …

Minnow: Golden Shiner

Notemigonus crysoleucas

Minnows are characterized by a single dorsal fin, pelvic fins, soft fin rays, cycloid scales, and …

Mooneye

Hiodon tergisus

The Mooneye is a small fish with a compressed body that is deep in proportion to …

Mosquitofish

Gambusia affinis affinis

The male anal fin is modified and is an intermittent organ for introducing sperm into the …

Muskellunge

Esox masquinongy

The muskellunge has an arrow-shaped body, long and smooth. The single dorsal fin with soft rays …

Muskellunge, Tiger

Esox masquinongy x Esox lucius

Tiger muskellunge was thought to be a separate species until scientists were able to cross northern …

Ninespine Stickleback

Pungitius pungitius

The stickleback gets its name from the short and long spines on the first dorsal fin, …

Paddlefish

Polyodon spathula

The paddlefish is almost sharklike in appearance, and if you cut off its long paddle-like snout, …

Perch, Yellow

Perca flavescens

Unlike the white perch, which is actually a temperate perch, the yellow perch is a true …

Pickerel, Chain

Esox niger

With its long, slender body, chain pickerel resembles northern pike and muskellunge, especially when young. It …

Pike, Northern

Esox lucius

The northern pike has an elongated body and head. The snout is broad and flat, resembling …

Ruffe

Gymnocephalus cernuus

The ruffe is very similar to the yellow perch in body shape and to the walleye …

Sauger

Stizostedion canadense

The body of the sauger is slender and almost cylindrical, and the head is long and …

Saugeye

Stizostedion vitreum x S. canadense

The saugeye's body is more similar to that of a walleye than a sauger, although the …

Shad, Gizzard

Dorosoma cepedianum

The gizzard shad is one of two freshwater members of the herring family that has a …