| Crustaceans-Barnacles | Amphibalanus improvisus | 1878 | Definite | Estab | |
| Nematodes | Anguillicola crassus* | 1985 | Definite | Estab | |
| Crustaceans-Barnacles | Austrominius modestus | 2016 | Definite | Estab | |
| Algae | Bonnemaisonia hamifera | 1902 | Definite | Estab | |
| Algae | Campylaephora sungminbooi* | 1998 | Definite | Estab | |
| Algae | Codium fragile ssp. Fragile | 1985 | Definite | Estab | |
| Algae | Colpomenia peregrina* | 1939 | Definite | Estab | |
| Cnidarians-Hydrozoans | Cordylophora caspia | 1895 | Definite | Estab | |
| Mollusks-Gastropods | Crepidula fornicata | 1948 | Definite | Estab | |
| Algae | Dasysiphonia japonica | 2004 | Definite | Estab | |
| Crustaceans-Crabs | Eriocheir sinensis | 1928 | Definite | Estab | |
| Bryozoans | Juxtacribrilina mutabilis | 2020 | Definite | Estab | |
| Mollusks-Bivalves | Magallana gigas | 2000 | Definite | Estab | |
| Annelids-Polychaetes | Marenzelleria viridis | 2002 | Definite | Estab | |
| Ctenophores | Mnemiopsis leidyi* | 2006 | Definite | Estab | |
| Tunicates | Molgula manhattensis | 1919 | Definite | Estab | |
| Mollusks-Bivalves | Mya arenaria | None | Definite | Estab | |
| Fishes | Neogobius melanostomus* | 2010 | Definite | Estab | |
| Mollusks-Bivalves | Petricolaria pholadiformis | 1931 | Definite | Estab | |
| Annelids-Polychaetes | Polydora hoplura | 1986 | Definite | Estab | |
| Platyhelminthes | Pseudodactylogyrus anguillae* | 1977 | Definite | Estab | |
| Algae | Sargassum muticum | 1993 | Definite | Estab | |
| Annelids-Polychaetes | Streblospio benedicti | 1932 | Definite | Estab | |
| Tunicates | Styela clava | 1991 | Definite | Estab | |