| Impact ID | 3545 |
| Impact Type | Competition |
| Study Type | Experimental |
| Study Location | Laboratory |
| Impact Description | The presence of the red swamp crayfish reduced the survival rate of adult Amargosa Pupfish and the fecundity of female fish, as significantly fewer fry were produced. |
| Reference | 34066 |
| Great Lakes Region | No |
| Cost | |
| Location | |
