| Taxonomic Group | Name | Year | |
|---|---|---|---|
| Nematodes | Anguillicola crassus* | 2005 | |
| Crustaceans-Crabs | Carcinus maenas | 1909 | |
| Algae | Colpomenia peregrina* | 2011 | |
| Crustaceans-Amphipods | Corophium volutator | 1934 | |
| Crustaceans-Crabs | Hemigrapsus sanguineus | 2008 | |
| Mollusks-Gastropods | Littorina littorea | 1873 | |
| Bryozoans | Membranipora membranacea | 1998 | |
| Mollusks-Bivalves | Teredo navalis | 1960 |