| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | debris | unspecified detritus | Canada | juv./adults |
| nekton | finfish | bony fish | unspecified finfishes | Canada | juv./adults |
| plants | other plants | benthic algae/weeds | unspecified algae | Canada | juv./adults |
| zoobenthos | insects | insects | other unspecified insects | Canada | juv./adults |
| zoobenthos | insects | insects | water fleas | Canada | juv./adults |
| zoobenthos | mollusks | bivalves | unspecified mussels | Canada | juv./adults |
| zoobenthos | mollusks | gastropods | unspecified snails | Canada | juv./adults |
| zooplankton | other plank. invertebrates | n.a./other plank. invertebrates | unspecified zooplankton | Canada | juv./adults |