| Impact ID | 6390 |
| Impact Type | Recreation |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Dreissena bugensis spread has led to decreased white fish population, resulting in a three year ban on white fish harvest. |
| Reference | 41885 |
| Great Lakes Region | No |
| Cost | |
| Location | Lake Constance, Central/Western Europe |
