| Taxonomic Group | Name | Year | |
|---|---|---|---|
| Nematodes | Anguillicola crassus* | 2003 | |
| Tunicates | Botrylloides violaceus | 2013 | |
| Crustaceans-Crabs | Carcinus maenas | 1817 | |
| Algae | Codium fragile ssp. Fragile | 1961 | |
| Fishes | Cyprinus carpio | None | |
| Algae | Dasysiphonia japonica | 2020 | |
| Tunicates | Didemnum vexillum | 2004 | |
| Tunicates | Diplosoma listerianum | 2013 | |
| Fishes | Gambusia affinis | 1986 | |
| Protozoans | Haplosporidium nelsoni* | 1965 | |
| Crustaceans-Crabs | Hemigrapsus sanguineus | 1993 | |
| Mollusks-Gastropods | Littorina littorea | 1937 | |
| Fishes | Salmo trutta* | None | |
| Mollusks-Bivalves | Teredo navalis | 1924 |