| Taxonomic Group | Name | Year | Invasion Status | Population Status | Vectors |
|---|---|---|---|---|---|
| Tunicates | Ciona robusta | 2001 | Non-native | Established | Hull Fouling |
| Tunicates | Didemnum perlucidum | 2015 | Non-native | Established | Hull Fouling, Oyster Accidental |
| Annelids-Polychaetes | Hydroides sanctaecrucis | 1998 | Non-native | Established | Ballast Water, Hull Fouling |
| Crustaceans-Barnacles | Megabalanus rosa* | None | Non-native | Established | Ballast Water, Hull Fouling |
| Bryozoans | Watersipora subtorquata | 1999 | Non-native | Established | Hull Fouling |