| Taxonomic Group | Name | Year | Invasion Status | Population Status | Vectors |
|---|---|---|---|---|---|
| Tunicates | Botryllus schlosseri | 1985 | Non-native | Established | Hull Fouling |
| Bryozoans | Schizoporella unicornis | 1925 | Non-native | Established | Hull Fouling |
| Bryozoans | Watersipora subtorquata | 1972 | Non-native | Established | Hull Fouling |