| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| plants | other plants | benthic algae/weeds | unidentified green algae | (not available) | adults |
| plants | other plants | benthic algae/weeds | Zostera marina | Korea (North) | juv./adults |
| zoobenthos | benth. crust. | amphipods | unidentified caprellids | Korea (North) | juv./adults |
| zoobenthos | benth. crust. | amphipods | unidentified gammarids | Korea (North) | juv./adults |
| zoobenthos | benth. crust. | crabs | unidentified | (not available) | adults |
| zoobenthos | mollusks | bivalves | unidentified | (not available) | adults |