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 1–15 of 15

Dallia pectoralis

The Alaska blackfish can be identified by its short, flattened snout, the posterior position of the …

Morone mississippiensis

The body shape of the yellow bass is very similar to that of the white bass: …

Ictiobus cyprinellus

The stout and deep-bodied bigmouth buffalo has a large head with a large, distinctly oblique and …

Cyprinus carpio

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

Salvelinus fontinalus

The charr group includes only one species that is actually called 'charr' in English, Salvelinus alpinus, …

Salvelinus malma, Salvelinus confluentus

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

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 …

Salvelinus fontinalis

Brook trout have such unique coloration and patterns that they are rarely confused with other fish, …

Oncorhynchus mykiss

Rainbow trout have the typical elongated and streamlined shape of salmonids, although body shape and coloration …

Oncorhynchus mykiss

Among the most popular and well-known species of fish called trout are brook trout, brown trout, …

Coregonus clupeaformis

A slender, elongated species, the lake whitefish is silvery white with an olive or pale greenish-brown …