| Main Ref. | Krpo-Ćetković, J., A. Hegedis and M. Lenhardt, 2010 | ||
| Predator stage | juv./adults | ||
| Food I | nekton | ||
| Food II | finfish | ||
| Food III | bony fish | ||
| Food group | Cyprinidae | Prey Stage/Part | juv./adults |
| Food name | Carassius auratus | ||
| Commonness | 42.8 | very common (21-50%) | |
| Country | Serbia | ||
| Remark | Danube River; C. auratus was the dominant prey item in May (%PV = 42.8). | ||