| Impact ID | 7734 |
| Impact Type | Commerce |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | In Lake Kariba Cherax quadricarinatus has been shown to consume Oreochromis niloticus in gillnets. Resulting in partially consumed fish not being sold, reducing fishermen's overall catch. |
| Reference | 42484 |
| Cost | |
| Location | Lake Kariba, Zimbabwe |