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 25–39 of 39

Sander lucioperca

There are 8-12 short, broad, brown-black horizontal stripes on the sides. The dorsal and caudal fins …

Stizostedion canadense

The body of the sauger is slender and almost cylindrical, and the head is long and …

Centropomus undecimalis

A silvery fish with a yellow-green or olive hue, it has a streamlined and slender body …

Centropomus parallelus, Centropomus ensiferus, Centropomus pectinatus

The fat snook has a deeper body than other snook, although it is not severely compressed. …

Pungitius platygaster

The southern ninespine stickleback can be distinguished from its European relatives by the large flaps on …

Lepomis cyanellus

Latin name Lepomis cyanellus Other names Green perch, black perch, pond perch, creek perch, sand bass, …

Lepomis megalotis

With its stocky body, the longear sunfish is not as shrunken as the bluegill or pumpkinseed, …

Acantharchus pomotis

It has a rectangular compressed body that is dark reddish brown on the back and light …

Lepomis gibbosus

A brilliantly colored fish, the adult pumpkinseed is olive green with blue and orange spots and …

Lepomis auritus

The body of the redbreasted sunfish is deep and compressed, but rather elongated for a sunfish. …

Lepomis microlophus

Pale golden-green on top, the redear sunfish has a rounded shape and is compressed at the …

Lepomis gibbosus

Each species has coarse scales and two united dorsal fins, the first of which is strongly …

Gasterosteus aculeatus

The Three-spined Stickleback has an elongated body that is compressed from the sides. The tail stalk …

Stizostedion vitreum

Walleye have a slender cylindrical body with a conical head. The first dorsal fin has sharp …

Lepomis gulosus

The body is deep, robust, olive brown on top and cream to pale yellow underneath, often …