| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| others | others | n.a./others | digested animal matters | USA | juv./adults |
| others | others | n.a./others | unidentified arachnids | USA | juv./adults |
| plants | phytoplankton | diatoms | diatoms | USA | juv./adults |
| plants | phytoplankton | green algae | filamentous algae | USA | juv./adults |
| zoobenthos | benth. crust. | benth. copepods | unidentified copepods | USA | juv./adults |
| zoobenthos | insects | insects | unidentified beetles | USA | juv./adults |
| zoobenthos | insects | insects | unidentified flies | USA | juv./adults |
| zoobenthos | insects | insects | unidentified hymenopterans | USA | juv./adults |