| Taxonomic Group | Name | Year | Invasion Status | Population Status | |
|---|---|---|---|---|---|
| Cnidarians-Hydrozoans | Cordylophora caspia | 1976 | Definite | Estab | |
| Crustaceans-Amphipods | Grandidierella japonica | 2002 | Definite | Estab | |
| Mollusks-Bivalves | Mya arenaria | 1917 | Definite | Estab | |
| Mollusks-Bivalves | Nuttallia obscurata | 2003 | Definite | Estab |