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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Lethenteron camtschaticum

The Arctic lamprey is characterized by its eel-like body shape, the presence of two large teeth …

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 …