| Impact ID | 2566 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Pterygoplichthys spp. may displace smaller or less aggressive benthic fishes (e.g., darters, madtoms, bullhead catfishes). |
| Reference | 14143 |
| Great Lakes Region | No |
| Cost | |
| Location | |
