| Annelids-Polychaetes | Alitta succinea | 1940 | Definite | Established | Fisheries Intentional |
| Crustaceans-Barnacles | Amphibalanus eburneus | 1956 | Definite | Established | Ballast Water, Canal, Hull Fouling |
| Crustaceans-Barnacles | Amphibalanus improvisus | 1955 | Definite | Established | Ballast Water, Canal, Hull Fouling |
| Entoprocts | Barentsia benedeni | 1965 | Definite | Established | Canal, Hull Fouling |
| Cnidarians-Hydrozoans | Blackfordia virginica | 1956 | Definite | Established | Ballast Water, Canal, Hull Fouling |
| Algae | Cylindrospermopsis raciborskii* | 1993 | Definite | Established | Canal, Fisheries Accidental (not Oyster), Natural Dispersal |
| Annelids-Polychaetes | Ficopomatus enigmaticus | 1961 | Definite | Established | Ballast Water, Canal, Hull Fouling |
| Fishes | Gambusia holbrooki* | None | Definite | Established | Biocontrol |
| Crustaceans-Shrimp | Macrobrachium nipponense* | 1998 | Definite | Established | Fisheries Accidental (not Oyster) |
| Mollusks-Bivalves | Mytilopsis leucophaeata | 1996 | Definite | Established | Ballast Water, Canal, Hull Fouling |
| Mollusks-Bivalves | Mytilopsis leucophaeata | 2017 | Definite | Established | Ballast Water, Canal, Hull Fouling |
| Crustaceans-Shrimp | Palaemon adspersus | 1937 | Definite | Established | Fisheries Accidental (not Oyster) |
| Crustaceans-Shrimp | Palaemon elegans | 1935 | Definite | Established | Fisheries Accidental (not Oyster) |
| Crustaceans-Crabs | Rhithropanopeus harrisii | 1958 | Definite | Established | Ballast Water, Canal, Fisheries Accidental (not Oyster), Hull Fouling |
| Mollusks-Gastropods | Tenellia adspersa | 1989 | Definite | Established | Ballast Water, Canal |
| Bryozoans | Victorella pavida | None | Definite | Established | Canal, Hull Fouling |