| Taxonomic Group | Name | Year | Invasion Status | Population Status | Vectors |
|---|---|---|---|---|---|
| Annelids-Polychaetes | Alitta succinea | 1974 | Definite | Established | Fisheries Intentional |
| Annelids-Polychaetes | Hediste diversicolor | 1960 | Definite | Established | Fisheries Intentional |
| Crustaceans-Shrimp | Palaemon elegans | 1960 | Definite | Established | Fisheries Accidental (not Oyster) |
| Crustaceans-Crabs | Rhithropanopeus harrisii | 1971 | Definite | Established | Fisheries Accidental (not Oyster), Hull Fouling |