| Impact ID | 2322 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Sites where Neogobius melanostomus were numerically dominant had 2.9 fewer native species on average when compared to other sites in the same rivers. |
| Reference | 26633 |
| Great Lakes Region | Yes |
| Cost | |
| Location | |
