| Impact ID | 5415 |
| Impact Type | Predation/Herbivory |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | Gambusia affinis, and other introduced poeciliids, have also been implicated in the decline of native damselflies on Oahu, Hawaii. Often the distributions of the damselflies and introduced fishes were found to be mutually exclusive, probably resulting from predation of the fishes on the insects |
| Reference | 1894 |
| Cost | |
| Location | Hawaii |