| Impact ID | 4899 |
| Impact Type | Predation/Herbivory |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Predates endangered California red-legged frog, threatens endangered unarmored threespine stickleback and native fish and amphibians in Southwest North America |
| Reference | 37346 |
| Great Lakes Region | No |
| Cost | |
| Location | |
