| Bryozoans | Amathia verticillata | 2001 | Non-native | Established | Hull Fouling |
| Annelids-Polychaetes | Amblyosyllis nigrolineata | 1975 | Non-native | Established | Ballast Water, Hull Fouling |
| Crustaceans-Amphipods | Ampithoe valida | 2001 | Non-native | Established | Ballast Water, Discarded Bait, Hull Fouling |
| Tunicates | Botrylloides diegensis | 2019 | Non-native | Established | Hull Fouling |
| Tunicates | Botrylloides violaceus | 2001 | Non-native | Established | Hull Fouling |
| Tunicates | Botryllus schlosseri | 2001 | Non-native | Established | Hull Fouling |
| Bryozoans | Bugula neritina | 1999 | Non-native | Established | Hull Fouling |
| Cnidarians-Anthozoans | Bunodeopsis sp. A | 1997 | Non-native | Established | None |
| Crustaceans-Amphipods | Caprella simia | 2011 | Non-native | Established | None |
| Algae | Caulacanthus okamurae | 2019 | Non-native | Established | Hull Fouling |
| Tunicates | Diplosoma listerianum | 1978 | Non-native | Established | Hull Fouling |
| Algae | Elachista nigra | 1984 | Non-native | Established | Hull Fouling |
| Annelids-Polychaetes | Epigamia noroi | 2001 | Non-native | Established | Ballast Water, Hull Fouling |
| Crustaceans-Amphipods | Grandidierella japonica | 2006 | Non-native | Established | Hull Fouling |
| Sponges | Hymeniacidon perlevis* | 1977 | Non-native | Established | None |
| Crustaceans-Amphipods | Jassa marmorata | 1990 | Non-native | Established | Discarded Bait, Hull Fouling, Natural Dispersal |
| Crustaceans-Isopods | Limnoria tripunctata | 1950 | Non-native | Established | Hull Fouling |
| Mollusks-Bivalves | Lyrodus pedicellatus | 1964 | Non-native | Established | Hull Fouling |
| Tunicates | Microcosmus squamiger | 1992 | Non-native | Established | Hull Fouling |
| Crustaceans-Amphipods | Monocorophium acherusicum | 2011 | Non-native | Established | Ballast Water, Hull Fouling |
| Algae | Mutimo cylindricus | 1973 | Non-native | Established | Ballast Water, Hull Fouling |
| Annelids-Polychaetes | Myrianida convoluta | 2001 | Non-native | Established | Ballast Water, Hull Fouling |
| Annelids-Polychaetes | Neodexiospira brasiliensis | 2011 | Non-native | Established | Hull Fouling |
| Crustaceans-Isopods | Niambia capensis | 2019 | Non-native | Established | Cargo, Dry Ballast |
| Algae | Pachymeniopsis lanceolata* | 2003 | Non-native | Established | Ballast Water, Hull Fouling |
| Crustaceans-Amphipods | Paradexamine sp. SD1 | 1991 | Non-native | Established | Hull Fouling |
| Mollusks-Gastropods | Philine auriformis | 1998 | Non-native | Established | Ballast Water, Natural Dispersal |
| Annelids-Polychaetes | Polydora cornuta | 1963 | Non-native | Established | Ballast Water, Hull Fouling |
| Algae | Sargassum horneri | 2006 | Non-native | Established | Hull Fouling, Natural Dispersal |
| Algae | Sargassum muticum | 1970 | Non-native | Established | Hull Fouling, Natural Dispersal |
| Fishes | Tridentiger trigonocephalus | 2019 | Non-native | Established | Ballast Water, Natural Dispersal |
| Algae | Undaria pinnatifida | 2001 | Non-native | Established | Hull Fouling, Natural Dispersal |
| Bryozoans | Watersipora subatra* | 2019 | Non-native | Established | Hull Fouling |
| Bryozoans | Watersipora subtorquata | 2001 | Non-native | Established | Hull Fouling |