| Impact ID | 4703 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Due to the reduction in invertebrate diversity in areas where C. curvispinum has invaded, a decline in the number of predators, such as leeches, has been observed |
| Reference | 13590 |
| Cost | |
| Location | Rhine River |