| Crustaceans-Barnacles | Amphibalanus improvisus | 1880 | Non-native | Established | Hull Fouling, Natural Dispersal |
| Nematodes | Anguillicola crassus* | 1985 | Non-native | Established | Fisheries Accidental (not Oyster) |
| Cnidarians-Hydrozoans | Blackfordia virginica | 2014 | Non-native | Established | Ballast Water, Hull Fouling |
| Algae | Bonnemaisonia hamifera | 1939 | Non-native | Established | Hull Fouling |
| Annelids-Polychaetes | Branchiomma coheni | 2016 | Non-native | Established | Ballast Water, Hull Fouling |
| Crustaceans-Cladocerans | Cercopagis pengoi* | None | Non-native | Established | Ballast Water, Natural Dispersal |
| Cnidarians-Hydrozoans | Cordylophora caspia | 1871 | Non-native | Established | Canal, Hull Fouling |
| Cnidarians-Anthozoans | Diadumene lineata | 2007 | Non-native | Established | Hull Fouling |
| Crustaceans-Amphipods | Echinogammarus ischnus | 1965 | Non-native | Established | Ballast Water, Hull Fouling |
| Crustaceans-Crabs | Eriocheir sinensis | 1928 | Non-native | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Crustaceans-Copepods | Eurytemora carolleeae | 2013 | Non-native | Established | Ballast Water |
| Annelids-Polychaetes | Ficopomatus enigmaticus | 2020 | Non-native | Established | Ballast Water, Hull Fouling |
| Crustaceans-Amphipods | Gammarus tigrinus | 1991 | Non-native | Established | Ballast Water, Canal, Fisheries Intentional |
| Algae | Gracilaria vermiculophylla | 2006 | Non-native | Established | Ballast Water, Hull Fouling, Natural Dispersal, Oyster Accidental |
| Crustaceans-Amphipods | Grandidierella japonica | None | Non-native | Established | None |
| Crustaceans-Mysids | Hemimysis anomala* | 2017 | Non-native | Established | None |
| Fishes | Lepomis gibbosus | 1983 | Non-native | Established | Fisheries Intentional, Pet Release |
| Annelids-Polychaetes | Marenzelleria neglecta | 1985 | Non-native | Established | Ballast Water |
| Annelids-Polychaetes | Marenzelleria viridis | 1985 | Non-native | Established | Ballast Water |
| Crustaceans-Amphipods | Melita nitida | 2014 | Non-native | Established | Ballast Water, Hull Fouling |
| Ctenophores | Mnemiopsis leidyi* | 2007 | Non-native | Established | Ballast Water, Natural Dispersal |
| Mollusks-Bivalves | Mya arenaria | None | Non-native | Established | Dry Ballast, Fisheries Intentional, Natural Dispersal |
| Crustaceans-Copepods | Mytilicola orientalis | 2018 | Non-native | Established | Fisheries Accidental (not Oyster) |
| Mollusks-Bivalves | Mytilopsis leucophaeata | 2000 | Non-native | Established | Ballast Water, Hull Fouling |
| Fishes | Neogobius melanostomus* | 1998 | Non-native | Established | Ballast Water, Natural Dispersal |
| Crustaceans-Cumaceans | Nippoleucon hinumensis | 2019 | Non-native | Established | None |
| Crustaceans-Shrimp | Palaemon elegans | 2002 | Non-native | Established | Ballast Water |
| Mollusks-Gastropods | Potamopyrgus antipodarum | 1897 | Non-native | Established | Cargo, Dry Ballast |
| Platyhelminthes | Pseudodactylogyrus anguillae* | 1986 | Non-native | Established | Fisheries Accidental (not Oyster) |
| Mollusks-Bivalves | Rangia cuneata | 2016 | Non-native | Established | None |
| Crustaceans-Crabs | Rhithropanopeus harrisii | 1953 | Non-native | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Arthropoda-Insects | Telmatogeton japonicus* | 1986 | Non-native | Established | Cargo, Hull Fouling |
| Bryozoans | Victorella pavida | 1880 | Non-native | Established | Hull Fouling |