Allfishes
Balkhash perch
Perca schrenkii
The closest relative is the European perch (Perca fluviatilis), from which the Balkhash perch diverged approximately …
Freshwater
Freshwater fish spend part or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%.
Showing 1–22 of 22
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 …
Big Baikal oilfish
Comephorus baikalensis
The body of the Big Baikal oilfish is slender, naked (devoid of scales), with very thin …
Bluegill
Lepomis macrochirus
The bluegill has a considerably compressed oval or rounded body, a small mouth, and a small …
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 …
Darters: Johnny Darter
Etheostoma nigrum
There are three known genera of darters: Percina, which contains about 40 species: Etheostoma, which contains …
European perch
Perca fluviatilis
The European perch has a laterally compressed body covered with dense, small ctenoid scales. It has …
Perch, White
Morone americana
The white perch has a deep, thin body that rises steeply upward from each eye to …
Ruffe
Gymnocephalus cernuus
The ruffe is very similar to the yellow perch in body shape and to the walleye …
Sander
Sander lucioperca
There are 8-12 short, broad, brown-black horizontal stripes on the sides. The dorsal and caudal fins …
Sauger
Stizostedion canadense
The body of the sauger is slender and almost cylindrical, and the head is long and …
Sunfish: Pumpkinseed Sunfish
Lepomis gibbosus
Each species has coarse scales and two united dorsal fins, the first of which is strongly …
Three-spined stickleback
Gasterosteus aculeatus
The Three-spined Stickleback has an elongated body that is compressed from the sides. The tail stalk …
Walleye
Stizostedion vitreum
Walleye have a slender cylindrical body with a conical head. The first dorsal fin has sharp …
Warmouth
Lepomis gulosus
The body is deep, robust, olive brown on top and cream to pale yellow underneath, often …