| Taxonomic Group | Name | Year | Invasion Status | Population Status | Vectors |
|---|---|---|---|---|---|
| Fishes | Acanthogobius flavimanus | 1993 | Non-native | Established | Discarded Bait, Natural Dispersal |
| Cnidarians-Hydrozoans | Calyptospadix cerulea | 1941 | Non-native | Established | Hull Fouling |
| Algae | Colpomenia claytoniae | 1999 | Non-native | Established | Ballast Water, Hull Fouling |
| Crustaceans-Amphipods | Grandidierella japonica | 1999 | Non-native | Established | Hull Fouling |
| Sponges | Hymeniacidon perlevis* | 1978 | Non-native | Established | Hull Fouling |
| Mollusks-Bivalves | Lyrodus pedicellatus | 1945 | Non-native | Established | Hull Fouling |
| Crustaceans-Amphipods | Monocorophium acherusicum | 1978 | Non-native | Established | Hull Fouling |
| Crustaceans-Shrimp | Palaemon macrodactylus | 1984 | Non-native | Established | Discarded Bait, Hull Fouling |
| Annelids-Polychaetes | Polydora cornuta | 1969 | Non-native | Established | None |
| Mollusks-Bivalves | Ruditapes philippinarum | 2016 | Non-native | Established | Fisheries Accidental (not Oyster), Natural Dispersal |
| Algae | Sargassum horneri | 2012 | Non-native | Established | Hull Fouling, Natural Dispersal |