| Impact ID | 8302 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In one Australian stream, increasing densities of New Zealand mudsnail (Potamopyrgus antipodarum) were positively correlated with density and species richness of native invertebrates, possibly due to coprophagy (ingestion of the snail's feces). |
| Reference | 22919 |
| Cost | |
| Location | Australia |