| Impact ID | 3140 |
| Impact Type | Competition |
| Study Type | Anecdotal |
| Study Location | Field |
| Impact Description | Charybdis hellerii was found to behave aggressively toward the native crab Cronius ruber, as well as show population increases where C. ruber populations decreased over the years in Brasil, pointing to the possibility that it may be out-competing the native. |
| Reference | 33857 |
| Great Lakes Region | No |
| Cost | 50.00 |
| Location | |
