| Crustaceans-Barnacles | Amphibalanus improvisus | 1933 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Crustaceans-Cladocerans | Cercopagis pengoi* | 1999 | Definite | Established | Ballast Water, Natural Dispersal |
| Cnidarians-Hydrozoans | Cordylophora caspia | 1986 | Definite | Established | Hull Fouling |
| Crustaceans-Crabs | Eriocheir sinensis | 1934 | Definite | Established | Ballast Water, Natural Dispersal |
| Annelids-Polychaetes | Marenzelleria neglecta | None | Definite | Established | Ballast Water |
| Annelids-Polychaetes | Marenzelleria viridis | 1993 | Definite | Established | Ballast Water, Natural Dispersal |
| Mollusks-Bivalves | Mya arenaria | 1900 | Definite | Established | Dry Ballast, Fisheries Intentional, Natural Dispersal |
| Fishes | Neogobius melanostomus* | 2014 | Definite | Established | Ballast Water, Natural Dispersal |
| Mollusks-Gastropods | Potamopyrgus antipodarum | None | Definite | Established | Cargo, Dry Ballast, Natural Dispersal, Packing Material |
| Mollusks-Bivalves | Rangia cuneata | 2021 | Definite | Established | Ballast Water |
| Crustaceans-Tanaids | Sinelobus cf. stanfordi | 2019 | Definite | Established | None |