| Impact ID | 3613 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | they have a well developed lateral line system, almost unique among Great Lakes fishes. This, we think, allows these fish to feed in the dark and thereby out-compete resident native fish for food. |
| Reference | 633 |
| Cost | |
| Location | |