| Taxonomic Group | Name | Year | |
|---|---|---|---|
| Arthropoda-Insects | Aedes togoi* | 1980 | |
| Crustaceans-Amphipods | Ampithoe valida | 2005 | |
| Mollusks-Gastropods | Batillaria attramentaria | 1926 | |
| Tunicates | Botrylloides violaceus | 2007 | |
| Mollusks-Gastropods | Cecina manchurica | 1961 | |
| Platyhelminthes | Cercaria batillariae* | 2000 | |
| Cnidarians-Hydrozoans | Cladonema radiatum | 1988 | |
| Annelids-Polychaetes | Clymenella torquata | 2006 | |
| Cnidarians-Hydrozoans | Cordylophora caspia | 1998 | |
| Mollusks-Gastropods | Crepidula convexa | 1970 | |
| Mollusks-Gastropods | Crepidula fornicata | 2005 | |
| Bryozoans | Cryptosula pallasiana | 2003 | |
| Cnidarians-Anthozoans | Diadumene lineata | 1998 | |
| Tunicates | Didemnum vexillum | 2007 | |
| Algae | Gelidium vagum* | 1996 | |
| Crustaceans-Copepods | Harpacticella paradoxa | 2000 | |
| Annelids-Polychaetes | Heteromastus filiformis species complex | 2011 | |
| Algae | Lomentaria hakodatensis* | 1968 | |
| Mollusks-Bivalves | Magallana gigas | 1905 | |
| Mollusks-Bivalves | Mya arenaria | 1959 | |
| Mollusks-Gastropods | Myosotella myosotis | 1961 | |
| Mollusks-Bivalves | Mytilus galloprovincialis | 1998 | |
| Mollusks-Gastropods | Nassarius fraterculus | 1960 | |
| Cnidarians-Anthozoans | Nematostella vectensis | 2005 | |
| Mollusks-Bivalves | Nuttallia obscurata | 1996 | |
| Mollusks-Gastropods | Ocinebrellus inornatus | 1924 | |
| Crustaceans-Copepods | Oithona davisae | 2012 | |
| Annelids-Polychaetes | Polydora cornuta | 2011 | |
| Mollusks-Gastropods | Potamopyrgus antipodarum | 2018 | |
| Annelids-Polychaetes | Pseudopolydora cf. kempi | 2011 | |
| Mollusks-Bivalves | Ruditapes philippinarum | 1924 | |
| Algae | Sargassum muticum | None | |
| Bryozoans | Schizoporella japonica | 1927 | |
| Annelids-Polychaetes | Streblospio benedicti | 2004 | |
| Protozoans | Trochammina hadai* | 1971 | |
| Mollusks-Gastropods | Urosalpinx cinerea | 1937 |