| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | finfish | bony fish | unspecified gobies | (not available) | juv./adults |
| nekton | finfish | bony fish | Neogobius kessleri | Russia | juv./adults |
| nekton | finfish | bony fish | Neogobius melanostomus | Russia | juv./adults |
| others | other terrest. invertebrates | n.a./terrest. insects | unidentified | Russia | juv./adults |
| plants | other plants | benthic algae/weeds | unidentified | Russia | juv./adults |
| zoobenthos | benth. crust. | amphipods | Corophium sp. | Russia | juv./adults |
| zoobenthos | benth. crust. | amphipods | corophiid amphipods | (not available) | juv./adults |
| zoobenthos | benth. crust. | amphipods | Dikerogammarus haemobaphes | Russia | juv./adults |
| zoobenthos | mollusks | bivalves | Dreissena sp. | Russia | juv./adults |
| zoobenthos | worms | non-annelids | Camallanus truncatus | Russia | juv./adults |
| zooplankton | plank. crust. | mysids | Paramysis lacustris | Russia | juv./adults |
| zooplankton | plank. crust. | mysids | unspecified mysids | (not available) | juv./adults |