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%.
Showing 1–7 of 7
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 …
Acipenser oxyrinchus
The Atlantic sturgeon is dark brown or olive green with a white belly. The head is …
Acipenser fulvescens
Lake sturgeon are somewhat torpedo-shaped, and the upper lobe of the caudal fin is longer than …
Acipenser transmontanus
The adult white sturgeon has a moderately blunt snout, spines closer to the tip of the …
Acipenser medirostris
Sturgeon and paddlefish, best known for their black caviar, belong to the order Acipenseriformes, but at …