| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| plants | other plants | benthic algae/weeds | unidentified | France | juv./adults |
| zoobenthos | benth. crust. | ostracods | unidentified | UK Engld Wal | juv./adults |
| zoobenthos | benth. crust. | shrimps/prawns | unidentified | UK Engld Wal | juv./adults |
| zoobenthos | insects | insects | midge | UK Engld Wal | juv./adults |
| zoobenthos | insects | insects | beetle | UK Engld Wal | juv./adults |
| zoobenthos | insects | insects | blackfly | UK Engld Wal | juv./adults |
| zoobenthos | insects | insects | mayfly | UK Engld Wal | juv./adults |
| zoobenthos | mollusks | bivalves | pea shells | UK Engld Wal | juv./adults |
| zoobenthos | mollusks | gastropods | snails | UK Engld Wal | juv./adults |
| zoobenthos | mollusks | n.a./other mollusks | unidentified | France | juv./adults |
| zoobenthos | worms | non-annelids | unidentified | UK Engld Wal | juv./adults |
| zooplankton | plank. crust. | cladocerans | unidentified | UK Engld Wal | juv./adults |
| zooplankton | plank. crust. | plank. copepods | unidentified | UK Engld Wal | juv./adults |