| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | finfish | bony fish | Fish | (not available) | juv./adults |
| others | others | n.a./others | Others | (not available) | juv./adults |
| zoobenthos | benth. crust. | crabs | crabs | (not available) | juv./adults |
| zoobenthos | benth. crust. | crabs | shrimps | (not available) | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | amphipods | (not available) | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | isopods | (not available) | juv./adults |
| zoobenthos | mollusks | gastropods | Valvata sp. | (not available) | juv./adults |
| zooplankton | plank. crust. | n.a./other plank. crustaceans | Brachyura | Canada | adults |
| zooplankton | plank. crust. | n.a./other plank. crustaceans | Shrimps, prawns | Canada | adults |