| Predator name | Gymnocephalus cernuus | Main Ref. | Hölker, F. and C. Hammer, 1994 |
| Predator group | Percidae | Predator stage | juv./adults |
| Predator I | finfish | Predator II | bony fish |
| Prey stage | juv./adults | ||
| % of stomach contents | - | ||
| Locality | Elbe River Estuary | ||
| Country | Germany | ||