| Arthropoda-Insects | Anisolabis maritima | 1985 | |
| Tunicates | Ascidiella aspersa | 2003 | |
| Algae | Bonnemaisonia hamifera | 1995 | |
| Tunicates | Botrylloides violaceus | 1998 | |
| Bryozoans | Bugula neritina | 2003 | |
| Bryozoans | Bugulina simplex | 2010 | |
| Crustaceans-Amphipods | Caprella mutica | 2003 | |
| Crustaceans-Crabs | Carcinus maenas | 1902 | |
| Crustaceans-Amphipods | Chelura terebrans | 1953 | |
| Tunicates | Ciona intestinalis | 1873 | |
| Algae | Codium fragile ssp. Fragile | 1994 | |
| Algae | Colpomenia peregrina* | 2010 | |
| Crustaceans-Amphipods | Corophium volutator | None | |
| Algae | Dasysiphonia japonica | 2012 | |
| Cnidarians-Anthozoans | Diadumene lineata | 2003 | |
| Tunicates | Didemnum vexillum | 2010 | |
| Tunicates | Diplosoma listerianum | 2003 | |
| Algae | Dumontia contorta* | 1913 | |
| Crustaceans-Amphipods | Grandidierella japonica | 2018 | |
| Annelids-Polychaetes | Hediste diversicolor | 2012 | |
| Crustaceans-Crabs | Hemigrapsus sanguineus | 2001 | |
| Crustaceans-Isopods | Ianiropsis serricaudis | 2007 | |
| Bryozoans | Juxtacribrilina mutabilis | 2018 | |
| Mollusks-Gastropods | Littorina littorea | 1873 | |
| Algae | Lomentaria clavellosa* | 1999 | |
| Algae | Lomentaria orcadensis* | 1995 | |
| Algae | Melanosiphon intestinalis* | 1995 | |
| Bryozoans | Membranipora membranacea | 2004 | |
| Crustaceans-Amphipods | Microdeutopus gryllotalpa | 2013 | |
| Mollusks-Gastropods | Myosotella myosotis | 1996 | |
| Algae | Neopyropia yezoensis* | 2005 | |
| Crustaceans-Amphipods | Orchestia gammarellus | 1973 | |
| Mollusks-Bivalves | Ostrea edulis | 1949 | |
| Crustaceans-Shrimp | Palaemon elegans | 2013 | |
| Arthropoda-Insects | Petrobius brevistylis* | 1967 | |
| Annelids-Polychaetes | Polydora onagawaensis* | 2018 | |
| Crustaceans-Mysids | Praunus flexuosus | 2007 | |
| Tunicates | Styela canopus | 1873 | |
| Tunicates | Styela clava | 2000 | |
| Mollusks-Bivalves | Teredo navalis | 1937 | |
| Bryozoans | Tricellaria inopinata | 2018 | |
| Algae | Ulonema rhizophorum* | 1995 | |