| Impact ID | 9270 |
| Impact Type | Predation/Herbivory |
| Study Type | Experimental |
| Study Location | Laboratory |
| Impact Description | Lab experiments show that marbled crayfish preyed upon gammarids and zebra mussels (Dreissena polymorpha). Marbled crayfish showed an intermediate effect on both prey species. |
| Reference | 40017 |
| Great Lakes Region | No |
| Cost | |
| Location | |
