Abstract
Data on predator fish feeding in the Rybinsk reservoir in the first years (2000–2003) of Ponto-Caspian kilka expansion are given. It is shown that the kilka’s penetration into the Rybinsk reservoir caused changes in the feeding spectra of predator fish. Kilka became one of the main objects of predator feeding throughout the whole year. In the open water period, it is consumed by pikeperch Stizostedion lucioperca (Linnaeus) and Volga pikeperch Stizostedion volgense (Gmelin) in the pelagial and by pike Esox lucius Linnaeus and perch Perca fluviatilis Linnaeus in the sublittoral and shallow bays. In winter it is mostly eaten by burbot Lota lota (Linnaeus) and pikeperch.
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Original Russian Text © M.V. Stepanov, V.I. Kiyashko, 2008, published in Biologiya Vnutrennikh Vod, No. 4, 2008, pp. 86–89.
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Stepanov, M.V., Kiyashko, V.I. The role of kilka (Clupeonella cultriventris (Nordmann)) in the diet of predatory fish of the Rybinsk reservoir. Inland Water Biol 1, 393–396 (2008). https://doi.org/10.1134/S1995082908040123
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DOI: https://doi.org/10.1134/S1995082908040123