Freshwater

Bluegill

Lepomis macrochirus

The bluegill has a considerably compressed oval or rounded body, a small mouth, and a small …

Broad whitefish

Coregonus nasus

The Broad Whitefish has a broad, compressed body. Its nose is thick and humped, protruding behind …

Buffalo, Bigmouth

Ictiobus cyprinellus

The stout and deep-bodied bigmouth buffalo has a large head with a large, distinctly oblique and …

Buffalo, Smallmouth

Ictiobus bubalus

A deep-bodied and compressed fish, the smallmouth buffalo has a small conical head, a high back, …

Butterfly peacock bass

Cichla ocellaris

Butterfly peacock bass are characterized by a great variability in coloration. They are generally yellowish green, …

Cardinal tetra

Paracheirodon axelrodi

The Cardinal tetra has an elongated body that is slightly flattened on the sides. The females …

Carp, Common

Cyprinus carpio

The common carp has a thick, moderately elongated body. It has a short head, a rounded …

Carp, Grass

Ctenopharyngodon idella

The grass carp has an elongated and rather compressed body, a broad and blunt head, a …

Charr, Arctic

Salvelinus alpinus

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

Charr: Brook Trout

Salvelinus fontinalus

The charr group includes only one species that is actually called 'charr' in English, Salvelinus alpinus, …

Chosa herring

Clupea pallasi suworowi

The abdominal keel scales of the Chosa herring are developed only behind the base of the …

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, …

Chukot char

Salvelinus andriashevi

The Chukot char is a relative of the Pacific whitespotted char (Salvelinus leacomaenis). Its body is …

Cisco

Coregonus spp

Characterised by a thick dorsal fin and a split tail, the cisco has a terminal mouth …

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 …

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, Blacknose

Rhinichthys atratulus

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

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 …

Dolly Varden, Bull Trout

Salvelinus malma, Salvelinus confluentus

These two char species, as well as Arctic char, are difficult to distinguish by appearance alone, …