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 1–13 of 13

Xenomystus nigri

The body of this fish is unusual: it is flattened ventrolaterally and elongated, giving it a …

Corydoras paleatus

The Blue Leopard Corydoras has a strongly curved back line and an almost flat abdomen. Its …

Lampetra planeri

The brook lamprey has an elongated, eel-like (anguilliform) body that is completely scaleless. It is the …

Ancistrus dolichopterus

The Bushymouth catfish has a flattened body that is completely covered in polygonal bony plates. Its …

Campylomormyrus curvirostris, gnathonemus curvirostris, campylomormyrus rhynchophorus.

The snout of Campylomormyrus curvirostris is highly elongated and curved downward like a trunk, with a …

Vandellia cirrhosa

The candiru has an elongated body, a small head, and an abdomen that may appear swollen, …

Callichthys callichthys

Cascarudo has an elongated, slightly flattened body covered with two rows of bony plates. It has …

Cynolebias constanciae

The body of Constancia's seasonal killifish (Cynolebias constanciae) is elongate and slightly laterally compressed.

Tetraodon lineatus

The skin of the Fahaka pufferfish is scaleless, but the head and body are covered with …

Tetraodon mbu

The Mbu pufferfish is the largest representative of the pufferfish family in the world. It is …

Pungitius platygaster

The southern ninespine stickleback can be distinguished from its European relatives by the large flaps on …

Corydoras sterbai

Compared to other species in the genus, Sterba's Corydoras has a relatively high body. There are …

Misgurnus fossilis

The body of the Weatherfish is elongated, slightly compressed at the sides and covered with fine …