| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | finfish | bony fish | minnows | Canada | adults |
| others | others | n.a./others | beetles | Canada | adults |
| others | others | n.a./others | ants | Canada | adults |
| plants | other plants | benthic algae/weeds | unidentified | Canada | adults |
| plants | phytoplankton | diatoms | unidentified | Canada | recruits/juv. |
| zoobenthos | benth. crust. | ostracods | unidentified | Canada | recruits/juv. |
| zooplankton | fish (early stages) | fish eggs/larvae | Richardsonius balteatus | Canada | adults |
| zooplankton | plank. crust. | plank. copepods | unidentified | Canada | recruits/juv. |