| Alimento I | Alimento II | Alimento III | Nombre del alimento | País | Estadio del despredador |
|---|---|---|---|---|---|
| plants | other plants | benthic algae/weeds | unidentified macrophytes | USA | juv./adultos |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | unidentified crustaceans | USA | juv./adultos |
| zoobenthos | insects | insects | unidentified insects | USA | juv./adultos |
| zoobenthos | mollusks | n.a./other mollusks | unidentified mollusks | USA | juv./adultos |
| zooplankton | fish (early stages) | fish eggs/larvae | not stated | Canada | adultos |