| Impact ID | 2555 |
| Impact Type | Food Web |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Pterygoplichthys spp. graze algae from submersed rocks, woody debris, and other substrates and consume considerable amounts of detritus, potentially altering grazing dynamics and trophic structure of aquatic communities. This alters and reduces food and physical cover available for aquatic insects. |
| Reference | 14143 |
| Great Lakes Region | No |
| Cost | |
| Location | |
