| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | finfish | bony fish | Anguilla anguilla | Netherlands | juv./adults |
| nekton | finfish | bony fish | Abramis brama | Netherlands | juv./adults |
| nekton | finfish | bony fish | Rutilus rutilus | Estonia | juv./adults |
| nekton | finfish | bony fish | Gasterosteus | Norway | juv./adults |
| nekton | finfish | bony fish | Aphia | Norway | juv./adults |
| nekton | finfish | bony fish | Gobius | Norway | juv./adults |
| nekton | finfish | bony fish | Pomatoschistus minutus | Portugal | recruits/juv. |
| nekton | finfish | bony fish | Ctenolabrus | Norway | juv./adults |
| nekton | finfish | bony fish | Labrus | Norway | juv./adults |
| nekton | finfish | bony fish | Osmerus eperlanus | Netherlands | juv./adults |
| nekton | finfish | bony fish | Gymnocephalus cernuus | Estonia | juv./adults |
| nekton | finfish | bony fish | Perca fluviatilis | Netherlands | juv./adults |
| nekton | finfish | bony fish | Sander lucioperca | Netherlands | juv./adults |
| nekton | finfish | bony fish | Pholis sp. | Norway | juv./adults |
| nekton | finfish | bony fish | Zoarces | Norway | juv./adults |
| nekton | finfish | n.a./other finfish | unidentified | Netherlands | juv./adults |
| zoobenthos | benth. crust. | amphipods | Corophium | Norway | juv./adults |
| zoobenthos | benth. crust. | amphipods | Gammarus | Norway | juv./adults |
| zoobenthos | benth. crust. | amphipods | Gammarus tigrinus | Netherlands | juv./adults |
| zoobenthos | benth. crust. | amphipods | Gammarus tigrinus | Netherlands | juv./adults |
| zoobenthos | benth. crust. | crabs | Carcinus | Norway | juv./adults |
| zoobenthos | benth. crust. | crabs | Carcinus maenas | Portugal | recruits/juv. |
| zoobenthos | benth. crust. | crabs | Portunus | Norway | juv./adults |
| zoobenthos | benth. crust. | isopods | Asellus spp. | Netherlands | juv./adults |
| zoobenthos | benth. crust. | mysids | Neomysis integer | Netherlands | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | Astacus astacus | Sweden | juv./adults |
| zoobenthos | benth. crust. | ostracods | unidentified ostracods | Netherlands | juv./adults |
| zoobenthos | benth. crust. | shrimps/prawns | Crangon crangon | Portugal | recruits/juv. |
| zoobenthos | benth. crust. | shrimps/prawns | Palaemonetes varians | Belgium | juv./adults |
| zoobenthos | insects | insects | Chironomus plumosus | Netherlands | juv./adults |
| zoobenthos | insects | insects | Einfeldia carbonaria | Netherlands | juv./adults |
| zoobenthos | insects | insects | Polypedilum nubeculosum | Netherlands | juv./adults |
| zoobenthos | insects | insects | Chironomus plumosus | Estonia | juv./adults |
| zoobenthos | insects | insects | Chironomus plumosus | Estonia | juv./adults |
| zoobenthos | insects | insects | Microchironomus tener | Estonia | juv./adults |
| zoobenthos | insects | insects | Procladius spp. | Estonia | juv./adults |
| zoobenthos | mollusks | bivalves | Dreissena polymorpha | Netherlands | juv./adults |
| zoobenthos | mollusks | bivalves | Sphaerium sp. | Netherlands | juv./adults |
| zoobenthos | mollusks | bivalves | Anodonta sp. | Netherlands | juv./adults |
| zoobenthos | mollusks | n.a./other mollusks | unidentified | Netherlands | juv./adults |
| zoobenthos | worms | n.a./other annelids | Arenicola | Norway | juv./adults |
| zoobenthos | worms | polychaetes | Erpobdella sp. | Netherlands | juv./adults |
| zoobenthos | worms | polychaetes | unidentified | Norway | juv./adults |
| zooplankton | other plank. invertebrates | n.a./other plank. Invertebrates | unidentified | France | Larvae |
| zooplankton | plank. crust. | cladocerans | Bosmina coregoni | Netherlands | juv./adults |
| zooplankton | plank. crust. | cladocerans | Alona sp. | Netherlands | juv./adults |
| zooplankton | plank. crust. | cladocerans | Chydorus sphaericus | Netherlands | juv./adults |
| zooplankton | plank. crust. | cladocerans | Daphnia sp. | Netherlands | juv./adults |
| zooplankton | plank. crust. | cladocerans | Leptodora kindtii | Netherlands | juv./adults |
| zooplankton | plank. crust. | mysids | Neomysis integer | Netherlands | juv./adults |
| zooplankton | plank. crust. | n.a./other plank. crustaceans | unidentified cladocerans | Spain | juv./adults |