| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | finfish | bony fish | unidentified gobies | (not available) | juv./adults |
| nekton | finfish | bony fish | Osmerus eperlanus | (not available) | juv./adults |
| nekton | finfish | bony fish | Gymnocephalus cernuus | (not available) | juv./adults |
| nekton | finfish | bony fish | Sander lucioperca | (not available) | juv./adults |
| nekton | finfish | bony fish | Platichthys flesus | (not available) | juv./adults |
| nekton | finfish | bony fish | unidentified | France | juv./adults |
| zoobenthos | benth. crust. | amphipods | unidentified | UK | juv./adults |
| zoobenthos | benth. crust. | crabs | unidentified | (not available) | juv./adults |
| zoobenthos | benth. crust. | isopods | Asellus | UK | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | Astacus astacus | Sweden | juv./adults |
| zoobenthos | benth. crust. | shrimps/prawns | unidentified | (not available) | juv./adults |
| zoobenthos | insects | insects | unidentified | France | juv./adults |
| zoobenthos | insects | insects | Chironomus semireductus | (not available) | juv./adults |
| zoobenthos | insects | insects | midges larvae | Russia | recruits/juv. |
| zoobenthos | insects | insects | midges pupae | Russia | recruits/juv. |
| zoobenthos | insects | insects | unidentified | UK | juv./adults |
| zoobenthos | insects | insects | unidentified | UK | juv./adults |
| zoobenthos | insects | insects | mayflies | UK | juv./adults |
| zoobenthos | insects | insects | mayflies | Russia | recruits/juv. |
| zoobenthos | insects | insects | Sialis | UK | juv./adults |
| zoobenthos | insects | insects | unidentified simuliids | Russia | recruits/juv. |
| zoobenthos | insects | insects | caddis flies | Russia | recruits/juv. |
| zoobenthos | insects | insects | caddis flies | Hungary | juv./adults |
| zoobenthos | insects | insects | unidentified | UK | juv./adults |
| zoobenthos | other benth. invertebrates | n.a./other benth. Invertebrates | unidentified | UK | juv./adults |
| zoobenthos | worms | non-annelids | unidentified nematodes | Russia | recruits/juv. |
| zooplankton | fish (early stages) | fish eggs/larvae | fish fry | France | juv./adults |
| zooplankton | fish (early stages) | fish eggs/larvae | Coregonus albula | Finland | juv./adults |
| zooplankton | plank. crust. | cladocerans | unidentified | France | juv./adults |
| zooplankton | plank. crust. | cladocerans | unidentified cladocerans | Russia | recruits/juv. |
| zooplankton | plank. crust. | mysids | unidentified | (not available) | juv./adults |
| zooplankton | plank. crust. | plank. copepods | unidentified copepods | Russia | recruits/juv. |