| Crustaceans-Barnacles | Amphibalanus reticulatus | 1972 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Mollusks-Bivalves | Corbicula fluminea | 1962 | Definite | Established | Discarded Bait, Fisheries Accidental (not Oyster), Fisheries Intentional, Pet Release |
| Fishes | Ctenopharyngodon idella* | 1980 | Definite | Established | Biocontrol |
| Mollusks-Bivalves | Dreissena polymorpha | 1997 | Definite | Established | Canal, Hull Fouling, Natural Dispersal |
| Arthropoda-Insects | Neohydronomus affinis* | None | Definite | Established | Aquatic Plant Shipments, Biocontrol |
| Crustaceans-Shrimp | Penaeus monodon | 2010 | Definite | Established | Fisheries Accidental (not Oyster), Natural Dispersal |
| Cnidarians-Scyphozoans | Phyllorhiza punctata | 1993 | Definite | Established | Ballast Water, Hull Fouling |
| Tunicates | Styela plicata | 1938 | Definite | Established | Hull Fouling |
| Cnidarians-Anthozoans | Tubastraea micranthus | 2006 | Definite | Established | Hull Fouling |
| Bryozoans | Victorella pavida | 1972 | Definite | Established | Hull Fouling |