| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| plants | other plants | benthic algae/weeds | unidentified larvae | France | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | unidentified | (not available) | juv./adults |
| zoobenthos | insects | insects | unidentified midge larvae | (not available) | juv./adults |
| zoobenthos | insects | insects | unidentified mayfly | (not available) | juv./adults |
| zoobenthos | insects | insects | unidentified | (not available) | juv./adults |
| zoobenthos | mollusks | n.a./other mollusks | unidentified | (not available) | juv./adults |