| Fishes | Acanthogobius flavimanus | 1971 | |
| Bryozoans | Amathia distans | 1998 | |
| Bryozoans | Amathia verticillata | 1975 | |
| Crustaceans-Barnacles | Amphibalanus amphitrite | None | |
| Bryozoans | Anguinella palmata | 1953 | |
| Algae | Antithamnionella spirographidis* | 1953 | |
| Crustaceans-Amphipods | Apocorophium acutum* | 1937 | |
| Entoprocts | Barentsia benedeni | 1997 | |
| Tunicates | Botryllus schlosseri | 1995 | |
| Cnidarians-Hydrozoans | Bougainvillia muscus | 1931 | |
| Bryozoans | Bowerbankia gracilis | None | |
| Bryozoans | Bugula neritina | 1950 | |
| Bryozoans | Bugulina flabellata | 1946 | |
| Bryozoans | Bugulina stolonifera | 2007 | |
| Crustaceans-Crabs | Carcinus maenas | 1891 | |
| Algae | Caulerpa taxifolia (invasive genotype) | 2000 | |
| Crustaceans-Amphipods | Chelura terebrans | 1921 | |
| Tunicates | Ciona robusta | 1878 | |
| Algae | Codium fragile ssp. Fragile | 2001 | |
| Bryozoans | Conopeum tenuissimum | 1977 | |
| Bryozoans | Cryptosula pallasiana | 1999 | |
| Cnidarians-Hydrozoans | Ectopleura crocea | 1885 | |
| Algae | Elachista nigra | 1987 | |
| Cnidarians-Hydrozoans | Eudendrium carneum | 2001 | |
| Crustaceans-Isopods | Eurylana arcuata | 1925 | |
| Fishes | Gambusia holbrooki* | None | |
| Crustaceans-Amphipods | Grandidierella japonica | 1981 | |
| Sponges | Hymeniacidon perlevis* | None | |
| Crustaceans-Amphipods | Jassa marmorata | 1990 | |
| Crustaceans-Amphipods | Laticorophium baconi | 1996 | |
| Crustaceans-Isopods | Ligia exotica | 1932 | |
| Mollusks-Bivalves | Magallana gigas | 1967 | |
| Crustaceans-Barnacles | Megabalanus coccopoma | 1994 | |
| Crustaceans-Barnacles | Megabalanus rosa* | 1997 | |
| Crustaceans-Amphipods | Monocorophium acherusicum | 1921 | |
| Crustaceans-Amphipods | Monocorophium insidiosum | 1999 | |
| Mollusks-Gastropods | Myosotella myosotis | 1992 | |
| Mollusks-Bivalves | Mytilus galloprovincialis | 2009 | |
| Crustaceans-Mysids | Neomysis japonica | 1983 | |
| Mollusks-Gastropods | Okenia plana | 1977 | |
| Crustaceans-Isopods | Paracerceis sculpta | 1984 | |
| Tunicates | Perophora japonica | 2008 | |
| Cnidarians-Hydrozoans | Plumularia setacea | None | |
| Mollusks-Gastropods | Polycera hedgpethi | 1979 | |
| Annelids-Polychaetes | Polydora cornuta | 1973 | |
| Annelids-Polychaetes | Pseudopolydora cf. kempi | 1975 | |
| Annelids-Polychaetes | Pseudopolydora paucibranchiata | 1973 | |
| Crustaceans-Crabs | Pyromaia tuberculata | None | |
| Bryozoans | Schizoporella unicornis | 1953 | |
| Crustaceans-Isopods | Sphaeroma walkeri | 1927 | |
| Algae | Striaria attenuata* | 1983 | |
| Tunicates | Styela clava | 1977 | |
| Tunicates | Styela plicata | 1878 | |
| Mollusks-Bivalves | Teredo navalis | 1928 | |
| Mollusks-Gastropods | Thecacera pennigera | 1951 | |
| Mollusks-Bivalves | Theora lubrica | 1976 | |
| Fishes | Tridentiger trigonocephalus | 1973 | |
| Bryozoans | Watersipora arcuata | 1950 | |
| Bryozoans | Watersipora subtorquata | 1950 | |