| Food I | Food II | Food III | Food name | Country | Predator Stage |
|---|---|---|---|---|---|
| nekton | finfish | bony fish | Alosa caspia caspia | Iran | juv./adults |
| nekton | finfish | bony fish | Abramis brama | Russia | juv./adults |
| nekton | finfish | bony fish | Barbus brachycephalus | Kazakhstan | recruits/juv. |
| nekton | finfish | bony fish | Capoetobrama kuschakewitschi | Kazakhstan | recruits/juv. |
| nekton | finfish | bony fish | Carassius carassius | Russia | juv./adults |
| nekton | finfish | bony fish | Cyprinus carpio carpio | Russia | juv./adults |
| nekton | finfish | bony fish | Rutilus frisii kutum | Russia | juv./adults |
| nekton | finfish | bony fish | Rutilus rutilus | Kazakhstan | recruits/juv. |
| nekton | finfish | bony fish | Rutilus rutilus caspicasus | Russia | juv./adults |
| nekton | finfish | bony fish | Scardinius erythrophthalmus | Russia | juv./adults |
| nekton | finfish | bony fish | Tinca tinca | Russia | juv./adults |
| nekton | finfish | bony fish | Vimba vimba persa | Russia | juv./adults |
| nekton | finfish | bony fish | Esox lucius | Russia | juv./adults |
| nekton | finfish | bony fish | Pungitius platygaster | Russia | juv./adults |
| nekton | finfish | bony fish | Neogobius fluviatilis | Russia | juv./adults |
| nekton | finfish | bony fish | Perca fluviatilis | Russia | juv./adults |
| nekton | finfish | bony fish | Alburnus alburnus | Russia | juv./adults |
| others | mammals | n.a./other mammals | unidentified | France | adults |
| zoobenthos | insects | insects | Corixa sp. | Kazakhstan | recruits/juv. |
| zoobenthos | insects | insects | unidentified Diptera | Kazakhstan | recruits/juv. |
| zoobenthos | insects | insects | Hydrophorus sp. | Kazakhstan | recruits/juv. |
| zoobenthos | insects | insects | cricket larvae | Kazakhstan | recruits/juv. |
| zoobenthos | other benth. invertebrates | n.a./other benth. Invertebrates | unidentified | France | recruits/juv. |
| zooplankton | fish (early stages) | fish eggs/larvae | fish fry | Kazakhstan | recruits/juv. |
| zooplankton | plank. crust. | mysids | unidentified mysids | Kazakhstan | recruits/juv. |
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.