| Impact ID | 3609 |
| Impact Type | Food Web |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | A potential threat posed by this introduced species is obvious in that
numbers of indigenous species have declined in areas where the gobies have become abundant (G. Smith, personal communication) |
| Reference | 874 |
| Great Lakes Region | Yes |
| Cost | |
| Location | |
