Freshwater

African jewelfish

Hemichromis bimaculatus

The body of the African jewelfish is elongated and tall, the sides are flat.

Arctic grayling

Thymallus arcticus

The Arctic grayling has 58 to 62 vertebrae. They have small mouths with small teeth on …

Asp

Leuciscus aspius

The asp is a true "torpedo-shaped" predator, whose appearance reveals it as a swift hunter.The body …

Balkhash perch

Perca schrenkii

The closest relative is the European perch (Perca fluviatilis), from which the Balkhash perch diverged approximately …

Bass, Largemouth

Micropterus salmoides

Compared to other members of the sunfish family, the largemouth bass has an elongated and robust …

Bass, Redeye

Micropterus coosae

Redeye bass is distinguished by a significant amount of red coloration in its eyes. It is …

Bass, Roanoke

Ambloplites cavifrons

Roanoke bass is similar in body shape to rock bass or warmouth. It can be recognized …

Bass, Rock

Ambloplites rupestris

Although in appearance it resembles something between a bluegill and a black bass, the rock bass …

Bass, Smallmouth: Northern Smallmouth Bass, Neosho Smallmouth Bass

Micropterus dolomieui, Micropterus dolomieui dolomieui, Micropterus dolomieui velox

The smallmouth bass has a strong, slightly laterally compressed and elongated body, a protruding lower jaw, …

Bass, Spotted

Micropterus punctulatus

Spotted bass has a moderately compressed, elongated body with similar coloration and markings to those of …

Bass, White

Morone chrysops

White bass has a moderately deep and compressed body, which is elevated behind a small head …

Bering cisco

Coregonus laurettae

The Bering cisco has an elongated, compressed body. It is distinguished from the Arctic cisco (Coregonus …

Big Baikal oilfish

Comephorus baikalensis

The body of the Big Baikal oilfish is slender, naked (devoid of scales), with very thin …

Black Molly

Poecilia sphenops

The Black Molly has an elongated body. Females tend to be more rounded in appearance. The …

Bluegill

Lepomis macrochirus

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

Buffalo, Smallmouth

Ictiobus bubalus

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

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 …

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 …

Dolly Varden trout

Salvelinus malma

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