| Impact ID | 9413 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Faxonius rusticus preys on snails. In Trout Lake, Wisconsin snail abundance declined by 90%. |
| Reference | 24564 |
| Great Lakes Region | No |
| Cost | |
| Location | Trout Lake, Wisconsin |