| Crustaceans-Copepods | Argulus japonicus | 1988 | Non-native | Established | None |
| Platyhelminthes | Atractolytocestus huronensis* | 1950 | Non-native | Established | None |
| Mollusks-Gastropods | Bithynia tentaculata | 1871 | Non-native | Established | Dry Ballast, Packing Material |
| Crustaceans-Cladocerans | Bosmina coregoni | 1966 | Non-native | Established | Ballast Water |
| Annelids-Oligochaetes | Branchiura sowerbyi* | 1951 | Non-native | Established | Aquatic Plant Shipments, Ballast Water, Dry Ballast |
| Fishes | Carassius auratus | 1878 | Non-native | Established | Discarded Bait, Pet Release |
| Crustaceans-Cladocerans | Cercopagis pengoi* | 1999 | Non-native | Established | Ballast Water |
| Algae | Chroodactylon ornatum* | 1978 | Non-native | Established | Ballast Water, Hull Fouling |
| Mollusks-Gastropods | Cipangopaludina chinensis | 1974 | Non-native | Established | Aquatic Plant Shipments, Fisheries Accidental (not Oyster), Fisheries Intentional, Pet Release |
| Cnidarians-Hydrozoans | Cordylophora caspia | 1998 | Non-native | Established | Aquatic Plant Shipments, Fisheries Accidental (not Oyster), Hull Fouling |
| Cnidarians-Hydrozoans | Craspedacusta sowerbii | 1952 | Non-native | Established | Aquatic Plant Shipments, Fisheries Accidental (not Oyster), Hull Fouling |
| Fishes | Cyprinus carpio | 1894 | Non-native | Established | Fisheries Accidental (not Oyster), Fisheries Intentional |
| Platyhelminthes | Dactylogyrus extensus* | 1971 | Non-native | Established | Fisheries Accidental (not Oyster) |
| Crustaceans-Cladocerans | Daphnia lumholtzi | 2005 | Non-native | Established | Aquatic Plant Shipments, Ballast Water, Canal, Fisheries Accidental (not Oyster) |
| Fishes | Dorosoma cepedianum* | 1953 | Non-native | Established | Canal |
| Mollusks-Bivalves | Dreissena bugensis | 1997 | Non-native | Established | Ballast Water, Hull Fouling |
| Mollusks-Bivalves | Dreissena polymorpha | 1988 | Non-native | Established | Ballast Water |
| Crustaceans-Amphipods | Echinogammarus ischnus | 1996 | Non-native | Established | Ballast Water, Canal, Natural Dispersal |
| Crustaceans-Copepods | Eurytemora carolleeae | 1966 | Non-native | Established | Ballast Water |
| Crustaceans-Crayfish | Faxonius rusticus | 1976 | Non-native | Established | Discarded Bait |
| Fishes | Gambusia affinis | 1923 | Non-native | Established | Biocontrol |
| Crustaceans-Amphipods | Gammarus tigrinus | 2001 | Non-native | Established | Ballast Water, Canal |
| Crustaceans-Mysids | Hemimysis anomala* | 2006 | Non-native | Established | Ballast Water |
| Mollusks-Gastropods | Heterogen japonica | 1968 | Non-native | Established | Pet Release |
| Fishes | Lepomis microlophus | 1928 | Non-native | Established | None |
| Bryozoans | Lophopodella carteri | 1995 | Non-native | Established | Aquatic Plant Shipments, Fisheries Accidental (not Oyster), Hull Fouling, Natural Dispersal |
| Fishes | Misgurnus anguillicaudatus* | 1939 | Non-native | Established | None |
| Arthropoda-Insects | Nacerdes melanura* | None | Non-native | Established | Cargo, Hull Fouling |
| Fishes | Neogobius melanostomus* | 1993 | Non-native | Established | Ballast Water |
| Fishes | Oncorhynchus gorbuscha* | 1956 | Non-native | Established | Fisheries Accidental (not Oyster) |
| Fishes | Oncorhynchus kisutch* | 1966 | Non-native | Established | Fisheries Intentional |
| Fishes | Oncorhynchus mykiss* | 1876 | Non-native | Established | Fisheries Intentional |
| Fishes | Oncorhynchus nerka* | 1974 | Non-native | Established | None |
| Fishes | Oncorhynchus tshawytscha* | 1967 | Non-native | Established | Fisheries Intentional |
| Mollusks-Bivalves | Pisidium amnicum | 1962 | Non-native | Established | Ballast Water, Dry Ballast, Packing Material |
| Mollusks-Gastropods | Potamopyrgus antipodarum | 2001 | Non-native | Established | Aquatic Plant Shipments, Ballast Water, Fisheries Accidental (not Oyster), Hull Fouling |
| Annelids-Oligochaetes | Potamothrix vejdovskyi* | 1967 | Non-native | Established | None |
| Fishes | Proterorhinus semilunaris* | 2000 | Non-native | Established | None |
| Fishes | Pylodictis olivaris | 1922 | Non-native | Established | Fisheries Intentional |
| Annelids-Oligochaetes | Ripistes parasita* | 1983 | Non-native | Established | Ballast Water |
| Fishes | Salmo trutta* | 1883 | Non-native | Established | Fisheries Intentional |
| Mollusks-Bivalves | Sphaerium corneum | 2001 | Non-native | Established | Ballast Water, Dry Ballast, Packing Material |
| Mollusks-Gastropods | Valvata piscinalis | 1995 | Non-native | Established | Ballast Water |
| Mollusks-Gastropods | Viviparus georgianus | 1906 | Non-native | Established | Aquatic Plant Shipments, Canal, Pet Release |