| Impact ID | 9428 |
| Impact Type | Genetic |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In a 1980 study, over 25% of the crayfish individuals collected from several northern Wisconsin lakes showed characteristics of hybridization between Faxonius rusticus and F. propinquus. |
| Reference | 25541 |
| Cost | |
| Location | Vilas County, Wisconsin |