| Crustaceans-Barnacles | Amphibalanus improvisus | 1948 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Nematodes | Anguillicola crassus* | 1988 | Definite | Established | Fisheries Accidental (not Oyster) |
| Crustaceans-Cladocerans | Cercopagis pengoi* | 2002 | Definite | Established | Ballast Water, Natural Dispersal |
| Cnidarians-Hydrozoans | Cordylophora caspia | 1895 | Definite | Established | Canal, Hull Fouling |
| Mollusks-Bivalves | Dreissena bugensis | 2014 | Definite | Established | Canal |
| Mollusks-Bivalves | Dreissena polymorpha | 1824 | Definite | Established | Canal |
| Crustaceans-Crabs | Eriocheir sinensis | 1928 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Crustaceans-Copepods | Eurytemora carolleeae | 2013 | Definite | Established | Ballast Water |
| Crustaceans-Amphipods | Gammarus tigrinus | 1991 | Definite | Established | Ballast Water, Canal |
| Crustaceans-Mysids | Hemimysis anomala* | 2001 | Definite | Established | Ballast Water, Canal, Natural Dispersal |
| Annelids-Polychaetes | Marenzelleria viridis | 1985 | Definite | Established | Ballast Water |
| Ctenophores | Mnemiopsis leidyi* | 2007 | Definite | Established | Ballast Water, Natural Dispersal |
| Mollusks-Bivalves | Mya arenaria | None | Definite | Established | Dry Ballast, Fisheries Intentional, Natural Dispersal |
| Fishes | Neogobius melanostomus* | 1996 | Definite | Established | Ballast Water, Natural Dispersal |
| Crustaceans-Shrimp | Palaemon elegans | 2004 | Definite | Established | Ballast Water |
| Mollusks-Gastropods | Potamopyrgus antipodarum | 1900 | Definite | Established | Cargo, Dry Ballast, Natural Dispersal, Packing Material |
| Platyhelminthes | Pseudodactylogyrus anguillae* | 1986 | Definite | Established | Fisheries Accidental (not Oyster) |
| Mollusks-Bivalves | Rangia cuneata | 2018 | Definite | Established | Ballast Water |
| Crustaceans-Crabs | Rhithropanopeus harrisii | 1955 | Definite | Established | Ballast Water, Hull Fouling |