| Taxonomic Group | Name | Year | Invasion Status | Population Status | |
|---|---|---|---|---|---|
| Crustaceans-Barnacles | Amphibalanus amphitrite | 1952 | Definite | Estab | |
| Crustaceans-Barnacles | Amphibalanus eburneus | 1962 | Definite | Estab | |
| Arthropoda-Insects | Anisolabis maritima | 1902 | Definite | Estab | |
| Tunicates | Botryllus schlosseri | 1932 | Definite | Estab | |
| Cnidarians-Scyphozoans | Cassiopea andromeda* | 2004 | Definite | Estab | |
| Crustaceans-Amphipods | Chelura terebrans | 1903 | Definite | Estab | |
| Algae | Codium simulans* | 1917 | Definite | Estab | |
| Crustaceans-Isopods | Halophiloscia couchii* | 1892 | Definite | Estab | |
| Crustaceans-Isopods | Ligia exotica | 1976 | Definite | Estab | |
| Crustaceans-Isopods | Limnoria quadripunctata | 1960 | Definite | Estab | |
| Mollusks-Gastropods | Myosotella myosotis | 1855 | Definite | Estab | |
| Echinoderms | Ophiactis savignyi Lineage B | 2002 | Definite | Estab | |
| Crustaceans-Isopods | Paradella dianae | 1981 | Definite | Estab | |
| Cnidarians-Scyphozoans | Phyllorhiza punctata | 2015 | Definite | Estab | |
| Arthropoda-Insects | Procanace dianneae* | 1992 | Definite | Estab | |
| Fishes | Pterois miles* | 2007 | Definite | Estab | |
| Fishes | Pterois volitans | 2000 | Definite | Estab | |
| Tunicates | Styela canopus | 1901 | Definite | Estab | |
| Tunicates | Styela plicata | 1882 | Definite | Estab | |
| Mollusks-Bivalves | Teredo navalis | 1946 | Definite | Estab |