Malacofauna of aquatic ecosystems in the middle part of the Zeravshan river

It has been established that in the water ecosystems of sources and springs in the hilly part of the Zeravshan Range, species belonging to 6 families are common. For the first time, it was analyzed that 14 species of mollusks were found in Mirankulsay. It was established that mollusks were distributed according to ecological groups as follows: crenophiles 36% (5 species: Odhneripisidium terekense Izzatullaev & Starobogatov, 1986, O. polytimeticum Izzatullaev & Starobogatov, 1986, O. behningi Izzatullaev & Starobogatov, 1986, Martensamnicola brevicula (von Martens, 1874) and M. hissarica (Zhadin, 1950)), pelolimnophiles 7% (1 species - Euglesa hissarica Izzatullaev, 1985), peloreophiles 14% (2 species: Bucharamnicola bucharica (Zhadin, 1952) and Lymnaea stagnalis (Linnaeus, 1758)), telmotophiles 7% (1 species - L. thiessea), phytophils 36% (5 species: L. oblonga Puton, 1847, Costatella acuta (Draparnaud, 1805), Planorbis planorbis (Linnaeus, 1758), P. tangitarensis Germain, 1918 and Anisus ladacensis (Nevill, 1878)).