Freshwater

Catfish: Channel Catfish

Ictalurus punctatus

Most catfish have no scales, but some are covered with heavy scales. They are characterised by …

Charr, Arctic

Salvelinus alpinus

Like all members of the genus Salvelinus, the Arctic charr has bright spots on the body, …

Chub

River chub is an olive-coloured fish with a strong body, large scales and light yellow to …

Chub, Creek

Semotilus atromaculatus

The chub's snout is pointed, the mouth large, with a small antenna at the corner of …

Chub, Hornyhead

Nocomis biguttatus

The body of the hornyhead chub is slender, with a rounded snout. The mouth is large, …

Climbing perch

Anabas testudineus

The body is slightly elongated, with straight back and sides, the head is rather large. It …

Common bleak

Alburnus alburnus

The body of the common bleak is elongated, strongly compressed laterally, with an almost straight dorsal …

Common nase

Chondrostoma nasus

A swift river fish with a unique mouth structure, known for its schooling behavior and specific …

Crappie, Black

Pomoxis nigromaculatus

The black crappie and white crappie are similar in colour, ranging from silvery olive to bronze …

Crappie, White

Pomoxis annularus

White crappie and black crappie are the same colour, ranging from silvery olive to bronze with …

Dace

Rhinichthys cataractae

Dace have a slender body. Most species have terminal antennae. The pearl dace (Semotilus margarita margarita) …

Dace, Blacknose

Rhinichthys atratulus

The blacknose dace has a long, slender body with a slightly protruding snout. The whiskers, characteristic …

Dace, Longnose

Rhinichthys cataractae

The longnose dace is a distinctive minnow with a long, fleshy snout, a subterranean mouth and …

Darters: Johnny Darter

Etheostoma nigrum

There are three known genera of darters: Percina, which contains about 40 species: Etheostoma, which contains …

Dolly Varden trout

Salvelinus malma

The body of the Dolly Varden trout is elongated, somewhat rounded, with the greatest depth of …

Drum, Freshwater

Aplodinotus grunniens

The body is deep, with a crooked back, a blunt snout and a subterranean mouth adapted …

Drum, Red

Sciaenops ocellatus

The red drum is similar in appearance to the black drum, although its maximum size is …

Eastern bottle-nosed mormyrid

Mormyrus longirostris

The eastern bottle-nosed mormyrid has such a distinctive appearance that it cannot be confused with any …

Eastern mosquitofish

Gambusia holbrooki

The body of the Eastern mosquitofish is moderately elongated, not tall, and laterally compressed. It is …

Electric eel

Electrophorus electricus

The electric eel has bare skin, no scales, and a very elongated body that is rounded …

European grayling

Thymallus thymallus

The distinctive features of the European grayling are its spindle-shaped body, its upper jaw that reaches …

European perch

Perca fluviatilis

The European perch has a laterally compressed body covered with dense, small ctenoid scales. It has …

Fahaka pufferfish

Tetraodon lineatus

The skin of the Fahaka pufferfish is scaleless, but the head and body are covered with …

Fallfish

Semotilus corporalis

The body of the fallfish is slender with a blunt, pointed head. There is a single …