| Impact ID | 7774 |
| Impact Type | Biocontrol |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Coho salmon (Oncorhynchus kisutch) was stocked in all of the Great Lakes by 1968 as a control of alewife populations and as a sport fish. |
| Reference | 74 |
| Cost | |
| Location | Great Lakes, USA |