| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| plants | other plants | benthic algae/weeds | unidentified | (not available) | juv./adults |
| plants | phytoplankton | diatoms | unidentified | (not available) | juv./adults |
| zoobenthos | benth. crust. | amphipods | unidentified | (not available) | juv./adults |
| zoobenthos | benth. crust. | ostracods | unidentified | (not available) | juv./adults |
| zoobenthos | insects | insects | unidentified arachnids | Alaska | juv./adults |
| zoobenthos | insects | insects | midges | Alaska | juv./adults |
| zoobenthos | insects | insects | unidentified dipterans | (not available) | juv./adults |
| zoobenthos | insects | insects | stoneflies | USA | adults |
| zoobenthos | mollusks | n.a./other mollusks | unidentified mollusks | USA | juv./adults |
| zoobenthos | worms | non-annelids | unidentified | (not available) | juv./adults |
| zooplankton | fish (early stages) | fish eggs/larvae | unidentified | (not available) | adults |
| zooplankton | plank. crust. | cladocerans | unidentified | (not available) | juv./adults |
| zooplankton | plank. crust. | n.a./other plank. crustaceans | unidentified | (not available) | adults |
| zooplankton | plank. crust. | plank. copepods | unidentified | (not available) | recruits/juv. |
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