| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | debris | detritus | Canada | Larvae |
| detritus | detritus | debris | unidentified | Mongolia | juv./adults |
| nekton | finfish | bony fish | Catostomus catostomus | Canada | adults |
| nekton | finfish | bony fish | Clupea harengus | (not available) | adults |
| nekton | finfish | bony fish | Clupea harengus | Canada | adults |
| nekton | finfish | bony fish | Clupea pallasii | Canada | adults |
| nekton | finfish | bony fish | Coregonus autemnalis | (not available) | adults |
| nekton | finfish | bony fish | Coregonus nasus | (not available) | adults |
| nekton | finfish | bony fish | Prosopium coulteri | (not available) | adults |
| nekton | finfish | bony fish | Eleginus gracilis | Canada | adults |
| nekton | finfish | bony fish | Gasterosteus aculeatus | (not available) | adults |
| nekton | finfish | bony fish | Lota lota | Canada | adults |
| nekton | finfish | bony fish | Osmerus mordax | (not available) | adults |
| nekton | finfish | bony fish | Osmerus mordax | Canada | adults |
| nekton | finfish | bony fish | Platichthys stellatus | (not available) | adults |
| nekton | finfish | bony fish | Coregonus artedi | Canada | adults |
| nekton | finfish | bony fish | Coregonus autumnalis | Canada | adults |
| nekton | finfish | bony fish | Coregonus clupeaformis | Canada | adults |
| nekton | finfish | bony fish | Coregonus nasus | Canada | adults |
| nekton | finfish | bony fish | Coregonus sardinella | Canada | adults |
| nekton | finfish | bony fish | Oncorhynchus gorbuscha | (not available) | adults |
| nekton | finfish | bony fish | Oncorhynchus gorbuscha | Canada | adults |
| nekton | finfish | bony fish | Oncorhynchus keta | (not available) | adults |
| nekton | finfish | bony fish | Oncorhynchus mykiss | Canada | adults |
| nekton | finfish | bony fish | Oncorhynchus nerka | (not available) | adults |
| nekton | finfish | bony fish | Oncorhynchus tshawytscha | (not available) | adults |
| nekton | finfish | bony fish | Prosopium coulterii | Canada | adults |
| nekton | finfish | bony fish | Salmo salar | (not available) | adults |
| nekton | finfish | bony fish | Salmo salar | Canada | adults |
| nekton | finfish | bony fish | Salvelinus alpinus | (not available) | adults |
| nekton | finfish | bony fish | Salvelinus alpinus | Canada | adults |
| nekton | finfish | bony fish | Salvelinus malma | Canada | adults |
| nekton | finfish | bony fish | Salvelinus namaycush | (not available) | adults |
| nekton | finfish | bony fish | Salvelinus namaycush | Canada | adults |
| nekton | finfish | bony fish | Stenodus leucichthys | Canada | adults |
| plants | phytoplankton | n.a./other phytoplankton | algae | Mongolia | adults |
| plants | phytoplankton | n.a./other phytoplankton | unspecified microscopic algae | Canada | Larvae |
| zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | unidentified | Mongolia | adults |