| Impact ID | 9282 |
| Impact Type | Competition |
| Study Type | Experimental |
| Study Location | Laboratory |
| Impact Description | Marbled crayfish has shown competitive dominance over calico crayfish (Faxonius immunis) in experimental lab studies. When no shelter was available, marbled crayfish won significantly more fights. With available shelter, marbled crayfish dominance was 100% for female and 54.5% for male calico crayfish. |
| Reference | 41961 |
| Great Lakes Region | No |
| Cost | |
| Location | |
