| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| plants | other plants | benthic algae/weeds | Urospora spp. | (not available) | juv./adults |
| plants | other plants | benthic algae/weeds | Agarum cribrosum | Canada | juv./adults |
| plants | other plants | benthic algae/weeds | Alaria esculenta | (not available) | juv./adults |
| plants | other plants | benthic algae/weeds | Ptilota serrata | (not available) | juv./adults |
| plants | other plants | benthic algae/weeds | Corallina officinalis | (not available) | juv./adults |
| plants | other plants | benthic algae/weeds | Desmarestia spp. | (not available) | juv./adults |
| plants | other plants | benthic algae/weeds | Laminaria digitata | Canada | juv./adults |
| plants | other plants | benthic algae/weeds | Laminaria longicruris | Canada | juv./adults |
| plants | other plants | benthic algae/weeds | Monostroma sp. | (not available) | juv./adults |
| plants | other plants | benthic algae/weeds | Ulva sp. | (not available) | juv./adults |
| plants | other plants | benthic algae/weeds | Zostera marina | Canada | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | Semibalanus balanoides | (not available) | juv./adults |
| zoobenthos | mollusks | bivalves | Mytilus edulis | (not available) | juv./adults |
| zoobenthos | mollusks | gastropods | Lacuna vincta | (not available) | juv./adults |