| Impact ID | 4302 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | Field |
| Impact Description | Carassius auratus has been noted to jeopardize native, endemic pupfish through competition or predation by the Department of Interior's Desert Pupfish Task Force. |
| Reference | 36238 |
| Cost | |
| Location | Death Valley, California, USA |