| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| detritus | detritus | debris | detritus | Paraguay | juv./adults |
| nekton | finfish | bony fish | fish scales | Paraguay | juv./adults |
| zoobenthos | benth. crust. | ostracods | unidentified ostracods | Paraguay | juv./adults |
| zoobenthos | insects | insects | unidentified coleopterans | Paraguay | juv./adults |
| zoobenthos | insects | insects | mayflies | Paraguay | juv./adults |
| zoobenthos | insects | insects | unidentified hemipterans | Paraguay | juv./adults |
| zoobenthos | insects | insects | water mites | Paraguay | juv./adults |
| zoobenthos | other benth. invertebrates | n.a./other benth. invertebrates | unidentified bryozoans | Paraguay | juv./adults |
| zooplankton | other plank. invertebrates | n.a./other plank. invertebrates | unidentified eggs | Paraguay | juv./adults |
| zooplankton | plank. crust. | cladocerans | unidentified cladocerans | Paraguay | juv./adults |
| zooplankton | plank. crust. | n.a./other plank. crustaceans | unidentified rotifers | Paraguay | juv./adults |
| zooplankton | plank. crust. | plank. copepods | unidentified copepods | Paraguay | juv./adults |
Publish in our journal partners Acta Ichthyologica et Piscatoria (Impact factor 2023: 1.17), Journal of Applied Ichthyology (Impact factor 2022: 1.222) and Journal of Fish Biology (2.0, 2022 impact factor) the results of your primary research on fish growth, weight-length relationships, reproduction (maturity, fecundity, spawning), food and diet composition, introductions and range extensions for faster subsequent entry in FishBase.