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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Malapterurus electricus has a characteristic appearance that distinguishes it from most other catfish. It has an …

Cynolebias porosus

The Porous seasonal killifish has a fusiform (spindle-shaped) body that is laterally compressed. The snout is …

Electrophorus voltai

The species is named in honor of Alessandro Volta — the Italian physicist and inventor of …