| Impact ID | 9431 |
| Impact Type | Genetic |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Genetic analysis of crayfish in Pennsylvania provide evidence for hybridization between Faxonius rusticus and F. obscurus. |
| Reference | 40025 |
| Great Lakes Region | No |
| Cost | |
| Location | Juniata River system, Pennsylvania, USA |
