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 …
Oreochromis mossambicus
The best known member of the tilapia group is the Mozambique tilapia (Oreochromis mossambicus), which is …
Perca flavescens
Unlike the white perch, which is actually a temperate perch, the yellow perch is a true …
Gasterosteus aculeatus
The Three-spined Stickleback has an elongated body that is compressed from the sides. The tail stalk …