| Taxonomic Group | Name | Year | Invasion Status | Population Status | Vectors |
|---|---|---|---|---|---|
| Algae | Caulacanthus okamurae | 1996 | Definite | Established | Hull Fouling, Oyster Accidental |
| Algae | Chroodactylon ornatum* | 1998 | Definite | Established | Ballast Water, Hull Fouling |
| Bryozoans | Schizoporella japonica | 1998 | Definite | Established | Hull Fouling, Oyster Accidental |
| Algae | Stirkia sinicola* | 1998 | Definite | Established | Ballast Water, Hull Fouling |
| Protozoans | Trochammina hadai* | 1989 | Definite | Established | Ballast Water, Hull Fouling, Oyster Accidental |