| Impact ID | 3570 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Both large and small Neogobius melanostomus showed significant diet overlap with small Northern Madtoms (Noturus stigmosus) for Hexagenia. |
| Reference | 16594 |
| Great Lakes Region | Yes |
| Cost | |
| Location | |
