| Impact ID | 5802 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Silver car, Hypophthalmichthys molitrix, had a direct negative impact on the abundance of adult sport fish. The suggested mechanism for decline was thought to be competition for zooplankton and reducing juvenile sport fish recruitment. |
| Reference | 40374 |
| Great Lakes Region | No |
| Cost | |
| Location | Mississippi River and La Grange Reach |