| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | finfish | bony fish | unidentified fish | USA | juv./adults |
| plants | other plants | benthic algae/weeds | unidentified algae | (not available) | juv./adults |
| plants | phytoplankton | blue-green algae | microscopic plants | USA | juv./adults |
| plants | phytoplankton | diatoms | diatoms | (not available) | juv./adults |
| zoobenthos | insects | insects | Ephemerella | USA | juv./adults |
| zoobenthos | insects | insects | Gomphus | USA | juv./adults |
| zoobenthos | insects | insects | Stenonema | USA | juv./adults |
| zoobenthos | insects | insects | Cheumatopsyche | USA | juv./adults |
| zoobenthos | insects | insects | Hydropsyche | USA | juv./adults |
| zoobenthos | insects | insects | Agraylea | USA | juv./adults |
| zoobenthos | insects | insects | Habrophlebia | USA | juv./adults |
| zoobenthos | insects | insects | Paraleptophlebia | USA | juv./adults |
| zoobenthos | insects | insects | Isonychia | USA | juv./adults |
| zoobenthos | insects | insects | Acroneuria | USA | juv./adults |
| zoobenthos | insects | insects | Chimarra | USA | juv./adults |
| zoobenthos | insects | insects | Prosimulium | USA | juv./adults |
| zoobenthos | worms | n.a./other annelids | unidentified annelids | USA | juv./adults |