| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | debris | organic matter in sand and mud | Canada | adults |
| detritus | detritus | debris | plant detritus | Canada | adults |
| plants | other plants | benthic algae/weeds | unspecified algae | Canada | recruits/juv. |
| plants | phytoplankton | n.a./other phytoplankton | unspecified algae | Canada | recruits/juv. |
| plants | phytoplankton | n.a./other phytoplankton | unspecified microalgae | Canada | adults |
| zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | unspecified minute benthic organisms | Canada | adults |