| Taxonomic Group | Name | Year | |
|---|---|---|---|
| Bryozoans | Bugula neritina | 2009 | |
| Algae | Codium fragile ssp. Fragile | 2000 | |
| Tunicates | Ecteinascidia turbinata | 1961 | |
| Algae | Gracilaria vermiculophylla | 1998 | |
| Protozoans | Haplosporidium nelsoni* | 1959 | |
| Crustaceans-Crabs | Hemigrapsus sanguineus | 1994 | |
| Crustaceans-Isopods | Ligia exotica | 1924 | |
| Mollusks-Gastropods | Littorina littorea | 1982 | |
| Crustaceans-Barnacles | Loxothylacus panopaei | 1986 | |
| Crustaceans-Shrimp | Lysmata vittata | 2013 | |
| Mollusks-Gastropods | Myosotella myosotis | 1972 | |
| Arthropoda-Insects | Nacerdes melanura* | None | |
| Crustaceans-Amphipods | Stenothoe gallensis species complex | 1960 | |
| Mollusks-Gastropods | Stramonita canaliculata | 1955 | |
| Algae | Striaria attenuata* | 1968 | |
| Mollusks-Bivalves | Teredo navalis | 1985 |