| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | finfish | bony fish | Pungitius pungitius | Canada | juv./adults |
| zoobenthos | benth. crust. | amphipods | unidentified | Canada | juv./adults |
| zoobenthos | benth. crust. | lobsters | unidentified | Canada | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | unidentified | Canada | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | unidentified | Canada | recruits/juv. |
| zoobenthos | insects | insects | unidentified | Canada | juv./adults |
| zoobenthos | insects | insects | Ablabesymia | Canada | recruits/juv. |
| zoobenthos | insects | insects | Bezzia | Canada | recruits/juv. |
| zoobenthos | insects | insects | Chaoborus | Canada | recruits/juv. |
| zoobenthos | insects | insects | Polypedilum | Canada | recruits/juv. |
| zoobenthos | insects | insects | Procladius | Canada | recruits/juv. |
| zoobenthos | insects | insects | Prodiamesa | Canada | recruits/juv. |
| zoobenthos | insects | insects | Tanytarsus | Canada | recruits/juv. |
| zoobenthos | insects | insects | Tipula | Canada | recruits/juv. |
| zoobenthos | insects | insects | Caenis | Canada | recruits/juv. |
| zoobenthos | insects | insects | Ephemerella | Canada | recruits/juv. |
| zoobenthos | insects | insects | Hexagenia | Canada | recruits/juv. |
| zoobenthos | insects | insects | Paraleptophlebia | Canada | recruits/juv. |
| zoobenthos | insects | insects | Stenonema | Canada | recruits/juv. |
| zoobenthos | insects | insects | unidentified | Canada | recruits/juv. |
| zoobenthos | insects | insects | Aeshnae | Canada | recruits/juv. |
| zoobenthos | insects | insects | Dromogomphus | Canada | recruits/juv. |
| zoobenthos | insects | insects | Gomphus | Canada | recruits/juv. |
| zoobenthos | insects | insects | unidentified | Canada | recruits/juv. |
| zoobenthos | insects | insects | Neophylax | Canada | recruits/juv. |
| zoobenthos | insects | insects | Oecoetis | Canada | recruits/juv. |
| zoobenthos | mollusks | bivalves | Musculium | Canada | recruits/juv. |
| zoobenthos | mollusks | bivalves | Pisidium | Canada | recruits/juv. |
| zoobenthos | mollusks | bivalves | Sphaerium | Canada | recruits/juv. |
| zoobenthos | mollusks | bivalves | Unio | Canada | recruits/juv. |
| zoobenthos | mollusks | gastropods | Amnicola | Canada | recruits/juv. |
| zoobenthos | mollusks | gastropods | Physella | Canada | recruits/juv. |
| zoobenthos | mollusks | gastropods | Gyraulus | Canada | recruits/juv. |
| zoobenthos | worms | n.a./other annelids | leeches | Canada | juv./adults |
| zoobenthos | worms | n.a./other annelids | Limnodrilus | Canada | recruits/juv. |
| zoobenthos | worms | n.a./other annelids | Stylodrilus | Canada | recruits/juv. |
| zoobenthos | worms | n.a./other annelids | Tubifex | Canada | recruits/juv. |
| zoobenthos | worms | non-annelids | unidentified | Canada | juv./adults |
| zooplankton | fish (early stages) | fish eggs/larvae | unidentified | Canada | juv./adults |