| Taxonomic Group | Name | Year | Invasion Status | Population Status | Vectors |
|---|---|---|---|---|---|
| Algae | Caulacanthus okamurae | 2011 | Definite | Established | Hull Fouling, Oyster Accidental |
| Algae | Codium fragile ssp. Fragile | 2004 | Definite | Established | Discarded Bait, Fisheries Accidental (not Oyster), Hull Fouling, Oyster Accidental |
| Algae | Fucus spiralis | 1994 | Definite | Established | Fisheries Accidental (not Oyster), Hull Fouling, Oyster Accidental |
| Algae | Gelidium vagum* | 1996 | Definite | Established | Oyster Accidental |
| Algae | Gracilaria vermiculophylla | 2015 | Definite | Established | Hull Fouling, Oyster Accidental |
| Algae | Phycocalidia suborbiculata* | 2011 | Definite | Established | Hull Fouling, Oyster Accidental |
| Algae | Sargassum muticum | 1973 | Definite | Established | Natural Dispersal, Oyster Accidental |
| Algae | Ulva australis | 2011 | Definite | Established | Hull Fouling, Oyster Accidental |
| Annelids-Polychaetes | Alitta succinea | 1941 | Definite | Established | Oyster Accidental |
| Annelids-Polychaetes | Neodexiospira brasiliensis | 2011 | Definite | Established | Hull Fouling |
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