| Impact ID | 2342 |
| Impact Type | Competition |
| Study Type | Experimental |
| Study Location | Laboratory |
| Impact Description | Laboratory experiments have shown that the more aggressive N. melanostomus will evict C. bairdi from rock shelters that are being used for spawning or daytime predator evasion. |
| Reference | 22570 |
| Great Lakes Region | Yes |
| Cost | |
| Location | |
