| Impact ID | 5407 |
| Impact Type | Predation/Herbivory |
| Study Type | Experimental |
| Study Location | Laboratory |
| Impact Description | In a previously fishless experiment pond, Gambusia affinis decimated populations of some macroinvertebrates that were not adapted to fish predation (dytiscid beetles, baetid Ephemeroptera, corixid and gerrid hemipterans, libellulid odonates) |
| Reference | 39140 |
| Cost | |
| Location | |