| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | finfish | bony fish | cottids | Canada | juv./adults |
| nekton | finfish | bony fish | minnows | Canada | juv./adults |
| nekton | finfish | bony fish | Salmo salar | USA | juv./adults |
| nekton | finfish | bony fish | Salvelinus fontinalis | Canada | juv./adults |
| nekton | finfish | bony fish | sticklebacks | Canada | juv./adults |
| others | herps | n.a./other reptiles | unidentified | Canada | juv./adults |
| others | herps | salamanders/newts | unidentified | Canada | juv./adults |
| others | herps | toads/frogs | unidentified | Canada | juv./adults |
| others | mammals | n.a./other mammals | Clethrionomys sp. | (not available) | adults |
| others | mammals | n.a./other mammals | Microtus sp. | (not available) | adults |
| others | mammals | n.a./other mammals | unidentified | (not available) | adults |
| zoobenthos | benth. crust. | amphipods | unidentified | Canada | juv./adults |
| zoobenthos | insects | insects | unidentified | Canada | juv./adults |
| zoobenthos | insects | insects | blackfly larvae | Canada | juv./adults |
| zoobenthos | insects | insects | caddisfly larvae | Canada | juv./adults |
| zoobenthos | insects | insects | mayfly larvae | Canada | juv./adults |
| zoobenthos | insects | insects | midge larvae | Canada | juv./adults |
| zoobenthos | insects | insects | insects | (not available) | juv./adults |
| zoobenthos | insects | insects | unidentified | Canada | juv./adults |
| zoobenthos | insects | insects | unidentified | Canada | juv./adults |
| zoobenthos | insects | insects | unidentified | Canada | juv./adults |
| zoobenthos | mollusks | bivalves | unidentified | Canada | juv./adults |
| zoobenthos | mollusks | gastropods | unidentified | Canada | juv./adults |
| zoobenthos | worms | n.a./other annelids | unidentified annelids | Canada | juv./adults |
| zooplankton | fish (early stages) | fish eggs/larvae | Salvelinus fontinalis | Canada | juv./adults |
| zooplankton | plank. crust. | cladocerans | unidentified | Canada | juv./adults |