| Impact ID | 5244 |
| Impact Type | Competition |
| Study Type | Observational |
| Study Location | Field |
| Impact Description | The Mud Crab appears to occupy the same niche as crayfish, which means it could be displaced if the mud crab is the better competitor. Observations from 2000-2003 at Possum Kingdom State Park in Texas have indicated an abundance of crabs and a paucity of crayfish |
| Reference | 38070 |
| Cost | |
| Location | Texas |