| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | finfish | bony fish | unidentified | Canada | adults |
| zoobenthos | benth. crust. | amphipods | Pontoporeia | (not available) | adults |
| zoobenthos | benth. crust. | benth. copepods | unidentified | (not available) | adults |
| zoobenthos | insects | insects | mayflies | (not available) | adults |
| zoobenthos | insects | insects | mayfly nymphs | Canada | adults |
| zoobenthos | insects | insects | mayfly larvae | Canada | adults |
| zoobenthos | insects | insects | caddisfly | (not available) | adults |
| zooplankton | fish (early stages) | fish eggs/larvae | Coregonus artedi | Canada | adults |
| zooplankton | fish (early stages) | fish eggs/larvae | unidentified | Canada | adults |
| zooplankton | other plank. invertebrates | n.a./other plank. Invertebrates | unidentified | Canada | adults |
| zooplankton | other plank. invertebrates | n.a./other plank. Invertebrates | unidentified | Canada | adults |
| zooplankton | plank. crust. | cladocerans | Daphnia | Canada | adults |
| zooplankton | plank. crust. | mysids | Mysis | (not available) | adults |
| zooplankton | plank. crust. | plank. copepods | Diaptomus oregonensis | Canada | adults |
| zooplankton | plank. crust. | plank. copepods | Diaptomus sicilis | USA | adults |
| zooplankton | plank. crust. | plank. copepods | Limnocalanus macrurus | USA | adults |
| zooplankton | plank. crust. | plank. copepods | Cyclops bicuspidatus thomasi | USA | adults |