| Impact ID | 6877 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In advanced stage invasion sites, Silurus glanis was observed to primarily consume crayfish, such as the red swamp crayfish (Procambarus clarkii). |
| Reference | 35392 |
| Cost | |
| Location | Ebro River, Spain |