| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| plants | phytoplankton | n.a./other phytoplankton | unidentified plankton | Canada | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | unidentified crustacea | Canada | juv./adults |
| zoobenthos | insects | insects | unidentified | (not available) | adults |
| zooplankton | other plank. invertebrates | n.a./other plank. Invertebrates | unidentified | (not available) | Larvae |
| zooplankton | plank. crust. | cladocerans | unidentified | (not available) | adults |
| zooplankton | plank. crust. | n.a./other plank. crustaceans | unidentified | (not available) | Larvae |
| zooplankton | plank. crust. | plank. copepods | unidentified | (not available) | adults |