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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Their body shape generally resembles that of the perch. All known species have a prominent black …

Cichla ocellaris

Butterfly peacock bass are characterized by a great variability in coloration. They are generally yellowish green, …

Oncorhynchus tshawytscha

The body is elongated and somewhat compressed. The head is cone-shaped . It has a bluish …

Oncorhynchus keta

The mouth is large, with the maxillary bone reaching backwards to the vertical of the posterior …

Oncorhynchus kisutch

Head thick, forehead broad. The tail stem is high. In the sea and when entering rivers, …

Oncorhynchus gorbuscha

Pink salmon are known as "humpback" because of their distorted, extremely humped appearance, which is caused …

Oncorhynchus nerka

The slimmest and most streamlined of the Pacific salmon, which are elongated and somewhat compressed from …

Cichla temensis

Speckled peacock bass has dark spots on the operculum and three distinctive vertical black stripes on …

Oncorhynchus mykiss

Steelhead are usually slender and streamlined. The dorsal coloration is mostly blue-green with an olive hue, …

Oncorhynchus apache

The Apache trout is a bright fish with yellow to golden flanks, a fat fin, and …

Oncorhynchus clarki

It is a very variable fish, both in coloration and size. The characteristic feature that gave …

Oncorhynchus gilae

The Gila trout, a member of the Salmonidae family, is an olive to copper-colored fish with …

Oncorhynchus aguabonita

The golden trout is considered one of the most beautiful freshwater fish because of its bright …

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, …