| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| others | others | n.a./others | gravel | USA | juv./adults |
| others | others | n.a./others | unidentified material | USA | juv./adults |
| zoobenthos | benth. crust. | amphipods | unidentified | USA | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | unidentified | USA | juv./adults |
| zoobenthos | benth. crust. | ostracods | unidentified | USA | juv./adults |
| zoobenthos | insects | insects | unidentified adults | USA | juv./adults |
| zoobenthos | insects | insects | unidentified larvae | USA | juv./adults |
| zoobenthos | insects | insects | unidentified | USA | juv./adults |
| zoobenthos | insects | insects | miscellaneous insect parts | USA | juv./adults |
| zoobenthos | worms | non-annelids | unidentified | USA | juv./adults |
| zooplankton | plank. crust. | cladocerans | unidentified | USA | juv./adults |
| zooplankton | plank. crust. | plank. copepods | unidentified | USA | juv./adults |