| Impact ID | 6790 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Perccottus glenii has threatened Rhynchocypris percnura (lake minnow), a IUCN “Endangered” species in Poland, through predation. |
| Reference | 42055 |
| Cost | |
| Location | Poland |