| Impact ID | 6656 |
| Impact Type | Habitat Alteration |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | The herbivorous Ctenopharyngodon idella has a significant impact on macrophyte communities through intense grazing pressure. |
| Reference | 903 |
| Great Lakes Region | No |
| Cost | |
| Location | |
