| # | Species | Year | Period | From - To | Reason | Established in the wild | Ref. no. |
| 1 | Mytella charruana | 2004 | 1975-present | Colombia - New Smyrna Beach, Florida | ballast water | unknown | 106738 |
| 2 | Perna perna | 1975-present | Northwestern Gulf of Mexico - Tampico and Veracruz | diffused from other countries | yes | 113736 | |
| 3 | Platychirograpsus spectabilis | 1936 | 1925-1949 | Western Gulf of Mexico - Southeastern US | other reasons | yes | 008125 |