White Sucker (Catostomus commersoni)

This is one of the most widespread and abundant suckers, found only in North America. Identification White suckers are inconspicuousl...

Sucker

Suckers are medium-size fish that are well known to many anglers for their large lips. They belong to the family Catostomidae, which is cl...

Shovelnose Sturgeon (Scaphirhynchus platorinchus)

A member of the Acipenseridae family of sturgeon, the shovelnose is a small species and the most abundant sturgeon in the Mississippi and...

Lake Sturgeon (Acipenser fulvescens)

A member of the Acipenseridae family of sturgeon, the lake sturgeon was an important part of aboriginal culture in North America. In some...

Sturgeon

Sturgeon are large, slow-maturing, long-lived, and primitive fish found in large inland and coastal rivers, as well as in some lakes. They...

Central Stoneroller (Campostoma anomalum)

The central stoneroller is a member of the Cyprinidae family of minnows. It is a hardy species that provides important forage for gamefish...

Stonecat

The stonecat is a widely distributed and relatively common member of the madtoms. It is the largest madtom in body size, is the species w...

Sticklebacks

Sticklebacks are small, slim members of the Gasterosteidae family that are rarely more than 3 inches long and are confined to the Northern...

Northern Squawfish (Ptychocheilus oregonensis)

The northern squawfish is a large-growing member of the Cyprinidae family of minnows that is often caught in north-western North America t...

Splake (Salvelinus namaycush x Salvelinus fontinalis)

A member of the charr group of the Salmonidae family, the splake is a distinctively marked hybrid fish produced in a hatchery by crossing a ...