| Impact ID | 6126 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | In the Detroit River, Echinogammarus ischnus occupied habitat of native amphipod, Gammarus fasciatus, suggesting the possibility of competitive displacement. |
| Reference | 13534 |
| Cost | |
| Location | Detroit River, USA |