ABSTRACT
The native area of the Balkhash perch Perca schrenkii (Fig. 1) is restricted exclusively to water bodies of the Balkhash watershed (Fig. 2). The hydrological system of the
PhD, Director of Laboratory of Zoology, Al-Farabi Kazakh National University, Institute of Biology and Biotechnology, Al-Farabi av., 71. 050038 Almaty, Republic of Kazakhstan.
