| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | debris | gravel | (not available) | juv./adults |
| nekton | finfish | bony fish | Odontesthes bonariensis | Argentina | juv./adults |
| nekton | finfish | bony fish | Salminus brasiliensis | (not available) | juv./adults |
| nekton | finfish | bony fish | Astyanax bimaculatus | (not available) | juv./adults |
| nekton | finfish | bony fish | Astyanax fasciatus | (not available) | juv./adults |
| nekton | finfish | bony fish | Bryconamericus stramineus | (not available) | juv./adults |
| nekton | finfish | bony fish | Odontostilbe pequira | (not available) | juv./adults |
| nekton | finfish | bony fish | Oligosarcus brevioris | (not available) | juv./adults |
| nekton | finfish | bony fish | Ramnogaster arcuata | Argentina | juv./adults |
| nekton | finfish | bony fish | Characidium pterostictum | (not available) | juv./adults |
| nekton | finfish | bony fish | Cyphocharax voga | (not available) | juv./adults |
| nekton | finfish | bony fish | Anchoa marinii | Argentina | juv./adults |
| nekton | finfish | bony fish | Lycengraulis grossidens | (not available) | juv./adults |
| nekton | finfish | bony fish | Eucinostomus sp. | Brazil | juv./adults |
| nekton | finfish | bony fish | Mugil sp. | Brazil | juv./adults |
| nekton | finfish | bony fish | unspecified bony fish | (not available) | juv./adults |
| nekton | finfish | bony fish | Apareiodon affinis | (not available) | juv./adults |
| nekton | finfish | bony fish | Luciopimelodus sp. | (not available) | juv./adults |
| nekton | finfish | bony fish | unspecified teleosts | Brazil | juv./adults |
| nekton | finfish | n.a./other finfish | unidentified fish | (not available) | juv./adults |
| others | other terrest. invertebrates | n.a./terrest. insects | unspecified damselflies | (not available) | juv./adults |
| others | other terrest. invertebrates | n.a./terrest. insects | unspecified coleopteran | (not available) | juv./adults |
| others | other terrest. invertebrates | n.a./terrest. insects | unspecified dipteran | Brazil | juv./adults |
| others | other terrest. invertebrates | n.a./terrest. insects | unspecified mayflies | Argentina | juv./adults |
| others | other terrest. invertebrates | n.a./terrest. insects | unspecified formicids | (not available) | juv./adults |
| others | other terrest. invertebrates | n.a./terrest. insects | unspecified caddisflies | (not available) | juv./adults |
| others | other terrest. invertebrates | n.a./terrest. insects | unspecified lepidopterans | (not available) | juv./adults |
| others | others | n.a./others | unspecified spider | Brazil | juv./adults |
| zoobenthos | benth. crust. | amphipods | unspecified amphipods | Brazil | juv./adults |
| zoobenthos | benth. crust. | crabs | unspecified crabs | Brazil | juv./adults |
| zoobenthos | benth. crust. | isopods | unspecified isopods | Brazil | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | unspecified mysids | Brazil | juv./adults |
| zoobenthos | benth. crust. | n.a./other benth. crustaceans | unspecified tanaids | (not available) | juv./adults |
| zoobenthos | benth. crust. | shrimps/prawns | unspecified shrimps | Brazil | juv./adults |
| zoobenthos | benth. crust. | shrimps/prawns | Palaemonetes argentinus | Argentina | juv./adults |
| zoobenthos | benth. crust. | shrimps/prawns | unspecified shrimps | Brazil | juv./adults |
| zoobenthos | benth. crust. | shrimps/prawns | Penaeus sp. | Brazil | juv./adults |
| zoobenthos | benth. crust. | shrimps/prawns | unidentified | (not available) | juv./adults |
| zoobenthos | insects | insects | unidentified | (not available) | juv./adults |
| zoobenthos | mollusks | bivalves | unspecified bivalves | Brazil | juv./adults |
| zoobenthos | mollusks | gastropods | unspecified gastropods | Brazil | juv./adults |
| zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | unspecified decapods | Brazil | juv./adults |
| zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | unspecified barnacles | Brazil | juv./adults |
| zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | unspecified cumaceans | Brazil | juv./adults |
| zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | unspecified crustacean | Brazil | juv./adults |
| zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | unspecifed cladocerans | (not available) | juv./adults |
| zoobenthos | worms | n.a./other annelids | unspecified worms | Brazil | juv./adults |
| zoobenthos | worms | non-annelids | unspecified nematodes | Brazil | juv./adults |
| zoobenthos | worms | polychaetes | unspecified polychaetes | Brazil | juv./adults |
| zooplankton | other plank. invertebrates | n.a./other plank. invertebrates | unspecified water fleas | Brazil | juv./adults |
| zooplankton | plank. crust. | plank. copepods | Notodiaplomus sp. | Argentina | juv./adults |
| zooplankton | plank. crust. | plank. copepods | unspecified calanoids | Brazil | juv./adults |
| zooplankton | plank. crust. | plank. copepods | unspecified copepods | Brazil | juv./adults |
| zooplankton | plank. crust. | plank. copepods | Acathocyclops sp. | Argentina | juv./adults |
| zooplankton | plank. crust. | plank. copepods | unspecified calanoids | (not available) | juv./adults |
| zooplankton | plank. crust. | plank. copepods | unspecified calanoids | Argentina | juv./adults |
| zooplankton | plank. crust. | plank. copepods | unidentified | (not available) | juv./adults |
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