| Impact ID | 9923 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In Ebro River Spain, invasive Pomacea maculata have been observed being preyed upon by the invasive Callinectes sapidus. |
| Reference | 45119 |
| Great Lakes Region | No |
| Cost | |
| Location | Ebro River, Spain |