| Crustaceans-Barnacles | Amphibalanus amphitrite | 1955 | Non-native | Established | Ballast Water, Hull Fouling |
| Nematodes | Anguillicola crassus* | 1999 | Non-native | Established | Ballast Water, Fisheries Accidental (not Oyster), Natural Dispersal |
| Algae | Antithamnion hubbsii* | 2003 | Non-native | Established | Ballast Water, Hull Fouling |
| Crustaceans-Barnacles | Balanus trigonus | 1977 | Non-native | Established | Ballast Water, Hull Fouling |
| Crustaceans-Crabs | Charybdis hellerii | 2006 | Non-native | Established | Ballast Water, Natural Dispersal |
| Algae | Codium fragile ssp. Fragile | 1981 | Non-native | Established | Discarded Bait, Fisheries Accidental (not Oyster), Hull Fouling, Natural Dispersal, Oyster Accidental |
| Cnidarians-Hydrozoans | Cordylophora caspia | 1928 | Non-native | Established | Hull Fouling |
| Cnidarians-Anthozoans | Diadumene lineata | 1929 | Non-native | Established | Hull Fouling |
| Algae | Gracilaria vermiculophylla | 2003 | Non-native | Established | Hull Fouling, Oyster Accidental |
| Protozoans | Haplosporidium nelsoni* | 1989 | Non-native | Established | Hull Fouling, Natural Dispersal, Oyster Accidental |
| Crustaceans-Crabs | Hemigrapsus sanguineus | 2008 | Non-native | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Fishes | Lepomis microlophus | 1973 | Non-native | Established | Fisheries Intentional |
| Fishes | Lepomis microlophus | 1991 | Non-native | Established | Fisheries Intentional |
| Crustaceans-Isopods | Ligia exotica | 1878 | Non-native | Established | Cargo, Dry Ballast |
| Algae | Lomentaria orcadensis* | 1948 | Non-native | Established | Ballast Water, Hull Fouling |
| Crustaceans-Barnacles | Loxothylacus panopaei | 1974 | Non-native | Established | Hull Fouling, Oyster Accidental |
| Crustaceans-Shrimp | Macrobrachium nipponense | 2014 | Non-native | Established | Ballast Water, Pet Release |
| Mollusks-Gastropods | Myosotella myosotis | 1996 | Non-native | Established | Cargo, Dry Ballast |
| Crustaceans-Shrimp | Penaeus monodon | 2008 | Non-native | Established | Fisheries Accidental (not Oyster), Natural Dispersal |
| Algae | Phycocalidia suborbiculata* | 1947 | Non-native | Established | None |
| Cnidarians-Scyphozoans | Phyllorhiza punctata | 2007 | Non-native | Established | Ballast Water, Hull Fouling, Natural Dispersal |
| Crustaceans-Crayfish | Procambarus clarkii | 2003 | Non-native | Established | Discarded Bait, Fisheries Accidental (not Oyster), Pet Release |
| Fishes | Pylodictis olivaris | 2009 | Non-native | Established | Fisheries Intentional |
| Mollusks-Bivalves | Rangia cuneata | 1955 | Non-native | Established | Ballast Water, Canal, Oyster Accidental |
| Crustaceans-Amphipods | Stenothoe gallensis species complex | 1957 | Non-native | Established | Ballast Water, Hull Fouling |
| Tunicates | Styela canopus | 1872 | Non-native | Established | Hull Fouling |
| Tunicates | Styela plicata | 1895 | Non-native | Established | Hull Fouling |
| Mollusks-Bivalves | Teredo navalis | 1893 | Non-native | Established | Hull Fouling |