| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | carcasses | dead animal matter | (not available) | juv./adults |
| plants | phytoplankton | n.a./other phytoplankton | unspecified algae | (not available) | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | unspecified crustaceans | (not available) | juv./adults |
| zoobenthos | mollusks | n.a./other mollusks | smaller and larger molluscs | (not available) | juv./adults |