| Impact ID | 2053 |
| Impact Type | Competition |
| Study Type | Experimental |
| Study Location | Laboratory |
| Impact Description | Potamopyrgus antipodarum limits the growth rate and absolute growth of the endangered desert valvata snail, Valvata utahensis, both of which occur in the Snake River. |
| Reference | 33550 |
| Cost | |
| Location | |