| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | debris | unidentified detritus | Argentina | juv./adults |
| nekton | finfish | bony fish | unidentified fish | Argentina | juv./adults |
| zoobenthos | benth. crust. | amphipods | unidentified | Argentina | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | unidentified decapods | Argentina | juv./adults |
| zoobenthos | insects | insects | unidentified larvae | Argentina | juv./adults |
| zoobenthos | insects | insects | unidentified pupae | Argentina | juv./adults |
| zoobenthos | mollusks | n.a./other mollusks | unidentified mollusks | Argentina | juv./adults |
| zoobenthos | worms | n.a./other annelids | unidentified worms | Argentina | juv./adults |
| zoobenthos | worms | n.a./other annelids | unidentified annelids | Argentina | juv./adults |