| Impact ID | 6890 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Limnoperna fortunei may outcompete/overgrow the native South American gastropods, Chilina fluminae and Biomphalaria straminea, as they became rare and eventually disappeared from study sites. |
| Reference | 29445 |
| Cost | |
| Location | Río de la Plata Estuary, Argentina |