| Bryozoans | Amathia verticillata | 1958 | |
| Crustaceans-Barnacles | Amphibalanus amphitrite | 1946 | |
| Crustaceans-Barnacles | Amphibalanus eburneus | 1959 | |
| Crustaceans-Barnacles | Amphibalanus improvisus | 1889 | |
| Crustaceans-Barnacles | Amphibalanus reticulatus | 2006 | |
| Crustaceans-Barnacles | Amphibalanus subalbidus | 1989 | |
| Tunicates | Ascidia sydneiensis | 1889 | |
| Mollusks-Bivalves | Bankia gouldi | 1960 | |
| Tunicates | Botrylloides violaceus | 2012 | |
| Tunicates | Botryllus schlosseri | 2012 | |
| Annelids-Polychaetes | Branchiomma bairdi | 2010 | |
| Cnidarians-Anthozoans | Diadumene lineata | 1995 | |
| Cnidarians-Anthozoans | Exaiptasia pallida | 1962 | |
| Annelids-Polychaetes | Ficopomatus miamiensis | 2012 | |
| Algae | Gracilaria vermiculophylla | 2004 | |
| Annelids-Polychaetes | Hydroides sanctaecrucis | None | |
| Sponges | Hymeniacidon perlevis* | 1930 | |
| Crustaceans-Amphipods | Jassa marmorata | 1990 | |
| Mollusks-Bivalves | Leiosolenus aristatus | 1934 | |
| Crustaceans-Isopods | Limnoria tripunctata | 1954 | |
| Tunicates | Lissoclinum fragile | 2012 | |
| Algae | Lomentaria hakodatensis* | 1944 | |
| Cnidarians-Hydrozoans | Macrorhynchia philippina | 1948 | |
| Protozoans | Perkinsus marinus* | 2020 | |
| Cnidarians-Scyphozoans | Phyllorhiza punctata | 2008 | |
| Tunicates | Polyclinum constellatum | 2009 | |
| Annelids-Polychaetes | Pseudobranchiomma schizogenica | 2011 | |
| Annelids-Polychaetes | Streblospio benedicti | 1997 | |
| Tunicates | Styela canopus | 2012 | |
| Mollusks-Bivalves | Teredo bartschi | 1971 | |
| Algae | Ulva ohnoi | 2013 | |
| Bryozoans | Watersipora subtorquata | 1888 | |