| Impact ID | 6360 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Because rudd (Scardinius erythrophthalmus) is fairly hardy, so it will fare better than many native fishes in waters that are eutrophic or polluted. |
| Reference | 24361 |
| Cost | |
| Location | North Island, New Zealand |