| Impact ID | 2576 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Pterygoplichthys spp. may displace other smaller animals such as aquatic insects, crayfishes, fishes, and tadpoles. |
| Reference | 26745 |
| Great Lakes Region | No |
| Cost | |
| Location | |