| Impact ID | 7756 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | It has been speculated that competition between white perch (Morone americana) and forage fishes, such as emerald shiner and spottail shiner, as well as freshwater drum, is complex and may be responsible for the declines of the latter species. |
| Reference | 24292 |
| Cost | |
| Location | East Harbor State Park, Ohio, USA |