| Crustaceans-Copepods | Argulus japonicus | 1974 | Non-native | Established | None |
| Mollusks-Gastropods | Bithynia tentaculata | 1880 | Non-native | Established | Dry Ballast, Packing Material |
| Crustaceans-Cladocerans | Bosmina coregoni | None | Non-native | Established | Ballast Water |
| Annelids-Oligochaetes | Branchiura sowerbyi* | 1963 | Non-native | Established | Aquatic Plant Shipments, Ballast Water, Dry Ballast |
| Fishes | Carassius auratus | 1925 | Non-native | Established | Discarded Bait, Pet Release |
| Crustaceans-Cladocerans | Cercopagis pengoi* | 2001 | Non-native | Established | Ballast Water |
| Arthropoda-Insects | Chilacis typhae* | 1992 | Non-native | Established | None |
| Algae | Chroodactylon ornatum* | 1964 | Non-native | Established | Ballast Water, Hull Fouling |
| Mollusks-Gastropods | Cipangopaludina chinensis | 1945 | Non-native | Established | Aquatic Plant Shipments, Fisheries Accidental (not Oyster), Fisheries Intentional, Pet Release |
| Mollusks-Bivalves | Corbicula fluminea | 1980 | Non-native | Established | Canal, Discarded Bait, Fisheries Accidental (not Oyster), Pet Release |
| Cnidarians-Hydrozoans | Cordylophora caspia | 1956 | Non-native | Established | Aquatic Plant Shipments, Fisheries Accidental (not Oyster), Hull Fouling |
| Cnidarians-Hydrozoans | Craspedacusta sowerbii | 1933 | Non-native | Established | Aquatic Plant Shipments, Ballast Water, Fisheries Accidental (not Oyster) |
| Fishes | Ctenopharyngodon idella* | 2011 | Non-native | Established | Biocontrol |
| Platyhelminthes | Cyathocotyle bushiensis* | 2010 | Non-native | Established | Dry Ballast, Natural Dispersal, Packing Material |
| Algae | Cylindrospermopsis raciborskii* | 2005 | Non-native | Established | Aquatic Plant Shipments, Ballast Water, Fisheries Accidental (not Oyster), Natural Dispersal |
| Fishes | Cyprinus carpio | 1890 | Non-native | Established | Fisheries Accidental (not Oyster), Fisheries Intentional |
| Platyhelminthes | Dactylogyrus extensus* | 1969 | Non-native | Established | Fisheries Accidental (not Oyster) |
| Crustaceans-Cladocerans | Daphnia lumholtzi | 1999 | Non-native | Established | Aquatic Plant Shipments, Canal, Fisheries Accidental (not Oyster) |
| Mollusks-Bivalves | Dreissena bugensis | 1989 | Non-native | Established | Ballast Water |
| Mollusks-Bivalves | Dreissena polymorpha | 1986 | Non-native | Established | Ballast Water |
| Crustaceans-Amphipods | Echinogammarus ischnus | 1995 | Non-native | Established | Ballast Water |
| Crustaceans-Copepods | Eurytemora carolleeae | 1961 | Non-native | Established | Ballast Water, Canal |
| Crustaceans-Crayfish | Faxonius rusticus | 1897 | Non-native | Established | Canal, Discarded Bait, Fisheries Accidental (not Oyster) |
| Fishes | Gambusia affinis | 1980 | Non-native | Established | Biocontrol |
| Crustaceans-Amphipods | Gammarus tigrinus | 2004 | Non-native | Established | Ballast Water, Canal |
| Crustaceans-Mysids | Hemimysis anomala* | 2007 | Non-native | Established | Biocontrol |
| Mollusks-Gastropods | Heterogen japonica | 1945 | Non-native | Established | Fisheries Intentional |
| Platyhelminthes | Khawia japonensis* | 1969 | Non-native | Established | Fisheries Accidental (not Oyster), Pet Release |
| Fishes | Lepomis microlophus | None | Non-native | Established | None |
| Crustaceans-Copepods | Lernaea cyprinacea | 1931 | Non-native | Established | Fisheries Accidental (not Oyster), Pet Release |
| Bryozoans | Lophopodella carteri | 1932 | Non-native | Established | Aquatic Plant Shipments |
| Fishes | Neogobius melanostomus* | 1990 | Non-native | Established | Ballast Water |
| Fishes | Oncorhynchus gorbuscha* | 1979 | Non-native | Established | Natural Dispersal |
| Fishes | Oncorhynchus kisutch* | 1970 | Non-native | Established | Fisheries Intentional |
| Fishes | Oncorhynchus mykiss* | 1895 | Non-native | Established | Fisheries Intentional |
| Fishes | Oncorhynchus tshawytscha* | 1981 | Non-native | Established | Fisheries Intentional |
| Mollusks-Bivalves | Pisidium amnicum | 1962 | Non-native | Established | Ballast Water, Dry Ballast, Packing Material |
| Mollusks-Gastropods | Potamopyrgus antipodarum | 2005 | Non-native | Established | Ballast Water, Fisheries Accidental (not Oyster), Hull Fouling, Natural Dispersal |
| Annelids-Oligochaetes | Potamothrix vejdovskyi* | 1965 | Non-native | Established | Ballast Water |
| Crustaceans-Crayfish | Procambarus clarkii | 1982 | Non-native | Established | None |
| Fishes | Proterorhinus semilunaris* | 1990 | Non-native | Established | Ballast Water |
| Fishes | Pylodictis olivaris | 1890 | Non-native | Established | Canal, Fisheries Intentional |
| Fishes | Salmo trutta* | None | Non-native | Established | Fisheries Accidental (not Oyster) |
| Fishes | Scardinius erythrophthalmus* | 1991 | Non-native | Established | Discarded Bait |
| Mollusks-Bivalves | Sphaerium corneum | 1951 | Non-native | Established | Ballast Water, Dry Ballast, Packing Material |
| Mollusks-Gastropods | Valvata piscinalis | 1936 | Non-native | Established | Ballast Water, Canal, Dry Ballast |
| Mollusks-Gastropods | Viviparus georgianus | 1914 | Non-native | Established | Aquatic Plant Shipments, Canal, Pet Release, Scientific Escape |