Crustaceans-Barnacles | Amphibalanus improvisus | 1868 | Definite | Established | Hull Fouling |
Annelids-Polychaetes | Boccardiella ligerica | 1960 | Definite | Established | Ballast Water |
Crustaceans-Cladocerans | Cercopagis pengoi* | 1999 | Definite | Established | Ballast Water, Natural Dispersal |
Bryozoans | Conopeum chesapeakensis | 2024 | Definite | Established | Ballast Water, Hull Fouling |
Cnidarians-Hydrozoans | Cordylophora caspia | 1872 | Definite | Established | Canal, Hull Fouling |
Crustaceans-Crabs | Eriocheir sinensis | 1934 | Definite | Established | Ballast Water, Natural Dispersal |
Crustaceans-Amphipods | Gammarus tigrinus | 2003 | Definite | Established | Ballast Water, Hull Fouling |
Crustaceans-Mysids | Hemimysis anomala* | 1992 | Definite | Established | Fisheries Intentional, Natural Dispersal |
Annelids-Polychaetes | Laonome cf. calida | 2015 | Definite | Established | Ballast Water, Hull Fouling |
Annelids-Polychaetes | Marenzelleria neglecta | 2008 | Definite | Established | Ballast Water, Natural Dispersal |
Annelids-Polychaetes | Marenzelleria viridis | 1990 | Definite | Established | Ballast Water, Natural Dispersal |
Mollusks-Bivalves | Mya arenaria | 1900 | Definite | Established | Dry Ballast, Fisheries Intentional, Natural Dispersal |
Mollusks-Bivalves | Mytilopsis leucophaeata | 2011 | Definite | Established | Ballast Water, Hull Fouling |
Fishes | Neogobius melanostomus* | 2004 | Definite | Established | None |
Crustaceans-Shrimp | Palaemon elegans | 2011 | Definite | Established | Ballast Water, Natural Dispersal |
Mollusks-Gastropods | Potamopyrgus antipodarum | 1926 | Definite | Established | Cargo, Dry Ballast, Natural Dispersal, Packing Material |
Crustaceans-Crabs | Rhithropanopeus harrisii | 2009 | Definite | Established | Ballast Water, Hull Fouling, Natural Dispersal |
Crustaceans-Tanaids | Sinelobus cf. stanfordi | None | Definite | Established | None |
Bryozoans | Victorella pavida | 1927 | Definite | Established | Hull Fouling |