| Bryozoans | Amathia verticillata | 2011 | Non-native | Established | Hull Fouling |
| Bryozoans | Arbopercula bengalensis | 1977 | Non-native | Established | Ballast Water, Hull Fouling |
| Tunicates | Botryllus schlosseri | 1985 | Non-native | Established | Hull Fouling |
| Annelids-Polychaetes | Branchiomma bairdi | 2010 | Non-native | Established | None |
| Bryozoans | Bugula neritina | 2001 | Non-native | Established | Hull Fouling |
| Crustaceans-Amphipods | Chelura terebrans | 1936 | Non-native | Established | Hull Fouling |
| Bryozoans | Cryptosula pallasiana | 2002 | Non-native | Established | Hull Fouling |
| Cnidarians-Hydrozoans | Ectopleura crocea | 1955 | Non-native | Established | Hull Fouling |
| Cnidarians-Anthozoans | Exaiptasia pallida | None | Non-native | Established | None |
| Platyhelminthes | Gyrodactylus anguillae* | 1999 | Non-native | Established | Ballast Water, Fisheries Accidental (not Oyster) |
| Bryozoans | Hippoporina indica | 2010 | Non-native | Established | Hull Fouling |
| Annelids-Polychaetes | Hydroides sanctaecrucis | 1999 | Non-native | Established | Ballast Water, Hull Fouling |
| Tunicates | Molgula manhattensis | 1976 | Non-native | Established | Hull Fouling |
| Crustaceans-Amphipods | Monocorophium acherusicum | 1963 | Non-native | Established | Ballast Water, Hull Fouling |
| Mollusks-Gastropods | Okenia plana | 1996 | Non-native | Established | Ballast Water, Hull Fouling |
| Fishes | Oreochromis mossambicus | 1981 | Non-native | Established | Pet Release |
| Crustaceans-Amphipods | Paracaprella pusilla | None | Non-native | Established | Hull Fouling |
| Crustaceans-Isopods | Paracerceis sculpta | 1975 | Non-native | Established | Ballast Water, Hull Fouling |
| Crustaceans-Isopods | Paradella dianae | 1971 | Non-native | Established | Ballast Water, Hull Fouling |
| Fishes | Pelmatotilapia mariae* | 1971 | Non-native | Established | Pet Release |
| Fishes | Poecilia latipinna | 1978 | Non-native | Established | Pet Release |
| Algae | Polysiphonia denudata* | None | Non-native | Established | None |
| Annelids-Polychaetes | Pseudopolydora cf. kempi | 1972 | Non-native | Established | Ballast Water, Hull Fouling |
| Annelids-Polychaetes | Pseudopolydora paucibranchiata | 1989 | Non-native | Established | Hull Fouling, Oyster Accidental |
| Bryozoans | Schizoporella unicornis | 1975 | Non-native | Established | None |
| Crustaceans-Isopods | Sphaeroma walkeri | 1967 | Non-native | Established | Ballast Water, Hull Fouling |
| Tunicates | Styela plicata | 1972 | Non-native | Established | Hull Fouling |
| Bryozoans | Watersipora arcuata | 1953 | Non-native | Established | Hull Fouling |
| Bryozoans | Watersipora subtorquata | 2000 | Non-native | Established | Hull Fouling |