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 1–7 of 7

Austrolebias bellottii

The Argentine pearlfish has a laterally compressed, fusiform (spindle-shaped) body with a rounded profile. Males are …

Micropterus punctulatus

Fish have 10 to 12 dark stripes along their sides, which are less distinct in older …

Micropterus notius

Suwannee bass is similar in appearance to smallmouth bass and in markings to redeye bass, except …

Anguilla rostrata

The body is elongated and snake-like, with a pointed head and many teeth. It is covered …

Anguilla dieffenbachii

The New Zealand longfin eel possesses a long, slender body with a large mouth filled with …

Oncorhynchus mykiss

Steelhead are usually slender and streamlined. The dorsal coloration is mostly blue-green with an olive hue, …

Oncorhynchus gilae

The Gila trout, a member of the Salmonidae family, is an olive to copper-colored fish with …