| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | debris | unidentified amorphous particles | USA | recruits/juv. |
| plants | phytoplankton | diatoms | unidentified diatoms | USA | recruits/juv. |
| plants | phytoplankton | green algae | unidentified desmids | USA | recruits/juv. |
| plants | phytoplankton | n.a./other phytoplankton | unidentified | (not available) | adults |
| zoobenthos | insects | insects | unidentified dipteran | USA | juv./adults |
| zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | unidentified invertebrates | USA | juv./adults |
| zooplankton | plank. crust. | cladocerans | unidentified cladocerans | USA | juv./adults |