| Food I | Food II | Food III | Food name | Land | Predator Stage |
|---|---|---|---|---|---|
| plants | other plants | terrestrial plants | plant materials | Canada | ungfisk / adulter |
| zoobenthos | insects | insects | aquatic insects | (ej tillgänglig) | ungfisk / adulter |
| zoobenthos | insects | insects | insects larvae | Canada | ungfisk / adulter |
| zooplankton | fish (early stages) | fish eggs/larvae | fish eggs | Canada | ungfisk / adulter |