| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | finfish | bony fish | unidentified | (not available) | adults |
| nekton | finfish | bony fish | unidentified | (not available) | adults |
| plants | phytoplankton | blue-green algae | Microcystis | (not available) | juv./adults |
| zoobenthos | benth. crust. | amphipods | unidentified | Canada | juv./adults |
| zoobenthos | insects | insects | midges | (not available) | juv./adults |
| zoobenthos | insects | insects | mayflies | (not available) | juv./adults |
| zoobenthos | insects | insects | unidentified | Canada | juv./adults |