| Crustaceans-Barnacles | Amphibalanus amphitrite | 1948 | |
| Crustaceans-Barnacles | Amphibalanus improvisus | 1854 | |
| Nematodes | Anguillicola crassus* | 2004 | |
| Algae | Antithamnionella spirographidis* | 1922 | |
| Mollusks-Bivalves | Arcuatula senhousia | 2017 | |
| Algae | Asparagopsis armata* | 1939 | |
| Crustaceans-Barnacles | Austrominius modestus | 1957 | |
| Protozoans | Bonamia ostreae* | 1987 | |
| Algae | Bonnemaisonia hamifera | 1893 | |
| Tunicates | Botrylloides diegensis | 2004 | |
| Tunicates | Botrylloides violaceus | 2005 | |
| Bryozoans | Bugula neritina | 1911 | |
| Bryozoans | Bugulina simplex | 2004 | |
| Bryozoans | Bugulina stolonifera | None | |
| Crustaceans-Amphipods | Caprella mutica | 2000 | |
| Algae | Caulacanthus okamurae | 2014 | |
| Nemerteans | Cephalothrix cf. simula* | 2018 | |
| Sponges | Chalinula loosanoffi* | 1980 | |
| Tunicates | Ciona robusta | 2003 | |
| Algae | Codium fragile ssp. Fragile | 1845 | |
| Algae | Colpomenia peregrina* | 1907 | |
| Cnidarians-Hydrozoans | Cordylophora caspia | 1994 | |
| Mollusks-Gastropods | Crepidula fornicata | 1944 | |
| Algae | Dasysiphonia japonica | 2002 | |
| Cnidarians-Anthozoans | Diadumene lineata | 1896 | |
| Tunicates | Didemnum vexillum | 2007 | |
| Crustaceans-Crabs | Eriocheir sinensis | 2004 | |
| Crustaceans-Copepods | Eurytemora carolleeae | 1931 | |
| Crustaceans-Ostracods | Eusarsiella zostericola | 2012 | |
| Annelids-Polychaetes | Ficopomatus enigmaticus | 1939 | |
| Algae | Gracilaria vermiculophylla | 2014 | |
| Algae | Grateloupia turuturu | 2004 | |
| Protozoans | Haplosporidium nelsoni* | 2006 | |
| Crustaceans-Isopods | Ianiropsis serricaudis | 2015 | |
| Crustaceans-Isopods | Limnoria quadripunctata | 1930 | |
| Algae | Lomentaria hakodatensis* | 2015 | |
| Mollusks-Bivalves | Magallana gigas | 1989 | |
| Mollusks-Bivalves | Mya arenaria | 1700 | |
| Crustaceans-Copepods | Mytilicola orientalis | 1993 | |
| Mollusks-Bivalves | Mytilopsis leucophaeata | 1996 | |
| Tunicates | Perophora japonica | 1999 | |
| Annelids-Polychaetes | Polydora hoplura | None | |
| Mollusks-Gastropods | Potamopyrgus antipodarum | None | |
| Arthropoda-Insects | Prokelisia marginata* | 2011 | |
| Platyhelminthes | Pseudodactylogyrus anguillae* | 1988 | |
| Mollusks-Bivalves | Ruditapes philippinarum | 1984 | |
| Algae | Sargassum muticum | 1976 | |
| Bryozoans | Schizoporella japonica | 2012 | |
| Annelids-Polychaetes | Streblospio benedicti | 1957 | |
| Tunicates | Styela canopus | 1868 | |
| Tunicates | Styela clava | 1953 | |
| Arthropoda-Insects | Telmatogeton japonicus* | 1999 | |
| Bryozoans | Tricellaria inopinata | 2004 | |
| Algae | Undaria pinnatifida | 2004 | |
| Bryozoans | Victorella pavida | 1983 | |
| Bryozoans | Watersipora subatra* | 2008 | |