| Impact ID | 4177 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | As a trophic competitor and a predator, Perccottus glenii has been implicated in the population declines of historically abundant native species such as Umbra krameri, Carassius carassius, and Leucapspius delineatus |
| Reference | 35907 |
| Cost | |
| Location | Eurasia |