Balkhash perch
Perca schrenkii
The closest relative is the European perch (Perca fluviatilis), from which the Balkhash perch diverged approximately …
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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Perca schrenkii
The closest relative is the European perch (Perca fluviatilis), from which the Balkhash perch diverged approximately …
Perca fluviatilis
The European perch has a laterally compressed body covered with dense, small ctenoid scales. It has …
Perca flavescens
Unlike the white perch, which is actually a temperate perch, the yellow perch is a true …
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 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 …