| Impact ID | 8446 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Pterygoplichthys sp. heavily graze upon algae and influence nutrient availability which alters the composition of the primary producer community. |
| Reference | 42497 |
| Great Lakes Region | No |
| Cost | |
| Location | |
