| Impact ID | 9285 |
| Impact Type | Competition |
| Study Type | Experimental |
| Study Location | Laboratory |
| Impact Description | Competition experiments suggest that marbled crayfish (Procambarus virginalis) are more aggressive and more active competitors than spinycheek crayfish (Faxonius limosus). |
| Reference | 41965 |
| Great Lakes Region | No |
| Cost | |
| Location | |