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%.

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Mormyrus longirostris

The eastern bottle-nosed mormyrid has such a distinctive appearance that it cannot be confused with any …

Huso baerii

The Siberian sturgeon has a spindle-shaped body with several longitudinal rows of bumps. Its short, triangular …