| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | debris | organic particulates | Argentina | juv./adults |
| plants | phytoplankton | diatoms | Bidulphia aurita | Argentina | juv./adults |
| plants | phytoplankton | diatoms | Bidulphia mobiliensis | Argentina | juv./adults |
| plants | phytoplankton | diatoms | Triceratium favus | Argentina | juv./adults |
| plants | phytoplankton | dinoflagellates | Prorocentrum spp. | Argentina | juv./adults |
| zoobenthos | benth. crust. | amphipods | unspecified amphipods | Argentina | juv./adults |
| zoobenthos | echinoderms | sea cucumbers | Hemioedema spectabilis | Argentina | juv./adults |
| zoobenthos | echinoderms | sea urchins | Pseudechinus magallanicus | Argentina | juv./adults |
| zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | Bugula sp. | Argentina | juv./adults |
| zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | Bowerbankia sp. | Argentina | juv./adults |
| zoobenthos | sponges/tunicates | sponges | unspecified sponges | Argentina | juv./adults |
| zoobenthos | worms | non-annelids | unspecified nematodes | Argentina | juv./adults |
| zoobenthos | worms | polychaetes | unspecified Aphroditidae | Argentina | juv./adults |
| zoobenthos | worms | polychaetes | unspecified Polynoidae | Argentina | juv./adults |
| zooplankton | plank. crust. | euphausiids | unspecified euphausiids | Argentina | juv./adults |
| zooplankton | plank. crust. | mysids | unspecified mysids | Argentina | juv./adults |
| zooplankton | plank. crust. | plank. copepods | unspecified copepods | Argentina | juv./adults |