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 1–10 of 10

Arapaima gigas

The body of the arapaima is elongated and compressed from the sides. It is covered with …

Cyprinus carpio

The common carp has a thick, moderately elongated body. It has a short head, a rounded …

Clupea pallasi suworowi

The abdominal keel scales of the Chosa herring are developed only behind the base of the …

Salvelinus malma, Salvelinus confluentus

These two char species, as well as Arctic char, are difficult to distinguish by appearance alone, …

Clupea harengus

The body is not high (its height is about 1/5 of body length). Head is comparatively …

Oreochromis mossambicus

The best known member of the tilapia group is the Mozambique tilapia (Oreochromis mossambicus), which is …

Betta splendens

The body of the Siamese fighting fish is oval, flattened at the sides and elongated in …

Acipenser oxyrinchus

The Atlantic sturgeon is dark brown or olive green with a white belly. The head is …

Scaphirhynchus platorinchus

The shovelnose sturgeon has a broad, flat head with an elongated shovel-like snout. There are four …

Acipenser transmontanus

The adult white sturgeon has a moderately blunt snout, spines closer to the tip of the …