| Impact ID | 4265 |
| Impact Type | Commerce |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Eurasian perch may prey on native species and trout, negatively affecting recreational fisheries. Within a 72-hour period, Eurasian perch eliminated 20,000 newly released rainbow trout (Oncorhynchus mykiss) fry from a reservoir in south-western Australia |
| Reference | 36201 |
| Cost | |
| Location | Australia |