| Impact ID | 6876 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In early stage invasion sites, Silurus glanis consumes small fish that are high in abundance, such as the roach (Rutilus rutilus) and bleak (Alburnus alburnus). |
| Reference | 35392 |
| Cost | |
| Location | River Ebro, Spain |