| Impact ID | 5073 |
| Impact Type | Commerce |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | The collapse of the walleye fishery in the Bay of Quinte (on the north shore of Lake Ontario) coincided with an increase in the white perch population and may have been a result of egg predation and lack of recruitment |
| Reference | 742 |
| Cost | |
| Location | Lake Ontario |