| Crustaceans-Barnacles | Amphibalanus reticulatus | 1986 | Definite | Established | Biocontrol, Hull Fouling, Natural Dispersal |
| Mollusks-Bivalves | Corbicula fluminea | 1976 | Definite | Established | None |
| Cnidarians-Hydrozoans | Cordylophora caspia | 1918 | Definite | Established | Aquatic Plant Shipments, Fisheries Accidental (not Oyster), Hull Fouling |
| Fishes | Ctenopharyngodon idella* | 1989 | Definite | Established | Biocontrol |
| Algae | Cylindrospermopsis raciborskii* | 2004 | Definite | Established | Aquatic Plant Shipments, Ballast Water, Fisheries Accidental (not Oyster), Natural Dispersal |
| Fishes | Cyprinus carpio | 1957 | Definite | Established | Fisheries Accidental (not Oyster), Fisheries Intentional |
| Crustaceans-Cladocerans | Daphnia lumholtzi | 1994 | Definite | Established | Aquatic Plant Shipments, Ballast Water, Canal, Fisheries Accidental (not Oyster) |
| Mollusks-Bivalves | Dreissena polymorpha | 1995 | Definite | Established | Canal, Hull Fouling, Natural Dispersal |
| Fishes | Hypophthalmichthys molitrix* | 2009 | Definite | Established | Fisheries Accidental (not Oyster) |
| Fishes | Hypophthalmichthys nobilis* | 1998 | Definite | Established | Natural Dispersal |
| Arthropoda-Insects | Neochetina bruchi* | None | Definite | Established | Biocontrol |
| Arthropoda-Insects | Neochetina eichhorniae* | 1974 | Definite | Established | Biocontrol |
| Fishes | Neopomacentrus cyanomos* | 2017 | Definite | Established | Ballast Water, Natural Dispersal, Pet Release |
| Crustaceans-Shrimp | Penaeus monodon | 2007 | Definite | Established | Fisheries Accidental (not Oyster), Natural Dispersal |
| Mollusks-Gastropods | Pomacea maculata | 2009 | Definite | Established | Pet Release |
| Tunicates | Styela plicata | 1978 | Definite | Established | Hull Fouling |