| Impact ID | 5840 |
| Impact Type | Recreation |
| Study Type | Anecdotal |
| Study Location | Field |
| Impact Description | The introduction of Cyprinus carpio led to the collpase of a bass fishery in Groenvlei Lake located in Sedgefield, South Africa. |
| Reference | 39779 |
| Cost | |
| Location | Groenvlei Lake located in Sedgefield, South Africa. Groenvlei Lake in Sedgefield, South Africa |