| Impact ID | 5304 |
| Impact Type | Recreation |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | The sharp shells of Dreissena rostriformis bugensis cut swimmers feet, with 15-20 reports of injuries a day on average in Konstanz, Germany in Lake Constance (Bodensee). |
| Reference | 38228 |
| Great Lakes Region | No |
| Cost | |
| Location | Lake Constance, Konstanz, Germany |
