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Hydrobiological Journal

ISSN Print: 0018-8166
ISSN Online: 1943-5991

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v40.i3.50
7 pages

Mollusks of the Dnieper-Bug Estuary Region and Their Role in Feeding of Fish

T. L. Alekseenko
Kherson Hydrobiological Research Station of the Institute of Hydrobiology National Academy of Sciences of Ukraine Kherson, Ukraine


128 species of mollusks (78 Gastropoda and 50 Bivalvia) belonging to 27 families had been found in the Dnieper-Bug mouth region. Mollusks are the basic structural components of many communities. The strongest and most widespread communities in the Dnieper-Bug Liman (estuary) are Dreissena polymorpha (Pal.), Turricaspia triton (Eichv.), Unio tumidus Phil., and Mya arenaria (Chr.); in the lower reaches of the Dnieper these are Dr. bugensis Andr. and Viviparus ater (Chr. et Jan.). The biomass of the most productive Dr. bugensis community reaches 1.2 kg/m2. The whole population of zebra mussel may be considered as food benthos.