| Crustaceans-Cladocerans | Bosmina coregoni | 1969 | Definite | Established | Ballast Water |
| Mollusks-Gastropods | Cipangopaludina chinensis | 1974 | Definite | Established | Aquatic Plant Shipments, Fisheries Accidental (not Oyster), Pet Release |
| Mollusks-Bivalves | Dreissena bugensis | 2002 | Definite | Established | Ballast Water, Hull Fouling |
| Mollusks-Bivalves | Dreissena polymorpha | 1989 | Definite | Established | Ballast Water, Hull Fouling |
| Mollusks-Gastropods | Heterogen japonica | 1968 | Definite | Established | Aquatic Plant Shipments, Fisheries Accidental (not Oyster), Pet Release |