| Impact ID | 9361 |
| Impact Type | Competition |
| Study Type | Experimental |
| Study Location | Field |
| Impact Description | Faxonius rusticus have replaced the native F. propinquus and invasive F. virilis as the most dominant member of the contemporary crayfish fauna in Wisconsin. Size-selection results suggest that fish predation may also hasten the ongoing replacement of F. propinquus by F. rusticus. |
| Reference | 14610 |
| Cost | |
| Location | Trout Lake, Vilas County, Wisconsin, USA |