| Impact ID | 2042 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | Field |
| Impact Description | Researchers noticed a negative/inverse relationship with the presence of Potamopyrgus antipodarum and that of native Hydrobiid snails. |
| Reference | 9400 |
| Great Lakes Region | No |
| Cost | |
| Location | |