Species composition and ecology of mollusks of the Unionidae and Corbiculidae families of the Zaamin water storage

The material was collected in the waters of the Zaamin water storage in the summer, autumn and spring seasons of 2018-2023. Collected 67 samples, 244 specimens of mollusks. The determination was carried out according to generally accepted methods. The species composition of mollusks and their ecological state were studied. It was revealed that Euglesa (Euglesa) turkestanica , Euglesa (Pseudeupera) turanica and Odhneripisidium (Kuiperipisidium) sogdianum are common in the waters of the upper part. Corbicula fluminalis , C. (Corbicula) tibetensis , and C. (Corbicula) ferghanensis inhabit the deep-water biotopes of the southern coast of the water storage. A total of 8 species and 1 subspecies of bivalves have been identified.