| Taxonomic Group | Name | Year | |
|---|---|---|---|
| Tunicates | Botrylloides violaceus | 2009 | |
| Crustaceans-Crabs | Carcinus maenas | 2009 | |
| Crustaceans-Amphipods | Corophium volutator | 1932 | |
| Cnidarians-Anthozoans | Diadumene lineata | 1949 | |
| Mollusks-Gastropods | Littorina littorea | 1971 | |
| Arthropoda-Insects | Petrobius brevistylis* | 1979 | |
| Annelids-Polychaetes | Polydora onagawaensis* | 2018 |