| Impact ID | 6739 |
| Impact Type | Predation/Herbivory |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | The species' introduction to the Great Lakes and its later abundance, combined with water pollution and overfishing, resulted in the decline of several large native species, including several ciscoes (Coregonus spp.), lake trout, and walleye, among others. |
| Reference | 1195 |
| Cost | |
| Location | Great Lakes, USA |