| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | finfish | bony fish | Crappie species | USA | juv./adults |
| nekton | finfish | bony fish | Micropterus dolomieu | USA | juv./adults |
| nekton | finfish | bony fish | Sunfish species | USA | juv./adults |
| nekton | finfish | bony fish | Cottidae | USA | juv./adults |
| nekton | finfish | bony fish | Cottus asper | USA | juv./adults |
| nekton | finfish | bony fish | Acrocheilus alutaceus | USA | juv./adults |
| nekton | finfish | bony fish | Cyprinidae | USA | juv./adults |
| nekton | finfish | bony fish | Mylocheilus caurinus | USA | juv./adults |
| nekton | finfish | bony fish | Richardsonius balteatus | USA | adults |
| nekton | finfish | bony fish | sticklebacks | USA | adults |
| nekton | finfish | bony fish | Oncorhynchus kisutch | USA | adults |
| nekton | finfish | bony fish | Oncorhynchus mykiss | USA | juv./adults |
| nekton | finfish | bony fish | Oncorhynchus nerka | USA | adults |
| nekton | finfish | bony fish | Oncorhynchus tshawytscha | USA | adults |
| nekton | finfish | bony fish | Salmonidae | USA | adults |
| nekton | finfish | n.a./other finfish | Petromyzonidae | USA | juv./adults |
| zoobenthos | benth. crust. | lobsters | Pacifastacus leniusculus | USA | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | Pacifastacus leniusculus | USA | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | unidentified crustaceans | USA | juv./adults |
| zoobenthos | insects | insects | unidentified | Canada | recruits/juv. |
| zooplankton | fish (early stages) | fish eggs/larvae | Ptychocheilus oregonensis | Canada | adults |
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