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 1–5 of 5

Perca schrenkii

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

Perca fluviatilis

The European perch has a laterally compressed body covered with dense, small ctenoid scales. It has …

Noturus phaeus

Brown madtom has a dull coloration. The upper part of the body has a chocolate brown …

Noturus funebris

The madtom is recognized by its unique fleshy fin. In non-madtom catfish, the fat fin protrudes …

Perca flavescens

Unlike the white perch, which is actually a temperate perch, the yellow perch is a true …