| Impact ID | 6331 |
| Impact Type | Predation/Herbivory |
| Study Type | Experimental |
| Study Location | Laboratory |
| Impact Description | In lab experiments, Echinogammarus ischnus frequently consumed female Gammarus fasciatus. This predation on adult G. fasciatus was more intense in areas of high conductivity water. |
| Reference | 24600 |
| Cost | |
| Location | Lake St.Louis, St. Lawrence River |