Taxonomic Group	Name	Year	Invasion Status	Population Status	Vectors
Fishes	Acanthogobius flavimanus	1978	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Annelids-Polychaetes	Alitta succinea	1952	Definite	Established	Ballast Water, Hull Fouling
Bryozoans	Amathia dichotoma*	2017	Definite	Established	Hull Fouling
Bryozoans	Amathia verticillata	1905	Definite	Established	Hull Fouling
Annelids-Polychaetes	Amblyosyllis nigrolineata	1975	Definite	Established	Ballast Water, Hull Fouling
Fishes	Ameiurus melas	1974	Definite	Established	None
Crustaceans-Amphipods	Ampelisca abdita	2001	Definite	Established	Ballast Water, Discarded Bait, Fisheries Accidental (not Oyster), Hull Fouling
Crustaceans-Barnacles	Amphibalanus amphitrite	1914	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Barnacles	Amphibalanus eburneus	2000	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Barnacles	Amphibalanus improvisus	1932	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Ampithoe valida	1942	Definite	Established	Ballast Water, Discarded Bait, Fisheries Accidental (not Oyster), Hull Fouling
Bryozoans	Anguinella palmata	1914	Definite	Established	Hull Fouling
Crustaceans-Amphipods	Aoroides secunda	1998	Definite	Established	Ballast Water, Hull Fouling
Tunicates	Aplidium accarense*	2019	Definite	Established	None
Mollusks-Bivalves	Arcuatula senhousia	1965	Definite	Established	Ballast Water, Hull Fouling
Tunicates	Ascidia cf. virginea*	2019	Definite	Established	Hull Fouling
Tunicates	Ascidia zara	1984	Definite	Established	Hull Fouling
Tunicates	Ascidiella aspersa	2018	Definite	Established	Hull Fouling
Crustaceans-Ostracods	Aspidoconcha limnoriae	1953	Definite	Established	Hull Fouling
Cnidarians-Scyphozoans	Aurelia coerulea	2000	Definite	Established	Ballast Water, Hull Fouling
Entoprocts	Barentsia benedeni	2011	Definite	Established	Hull Fouling
Tunicates	Botrylloides diegensis	1917	Definite	Established	Hull Fouling
Tunicates	Botrylloides giganteus	1997	Definite	Established	Hull Fouling
Tunicates	Botrylloides violaceus	1966	Definite	Established	Hull Fouling
Tunicates	Botryllus schlosseri	1965	Definite	Established	Hull Fouling
Protozoans	Boveria teredinidi*	1951	Definite	Established	Hull Fouling
Annelids-Polychaetes	Branchiomma bairdi	2000	Definite	Established	Hull Fouling
Annelids-Polychaetes	Branchiomma SF1*	2017	Definite	Established	None
Algae	Bryopsis sp. 1*	2011	Definite	Established	Hull Fouling
Bryozoans	Bugula neritina	1905	Definite	Established	Hull Fouling
Bryozoans	Bugulina cf. foliolata	2000	Definite	Established	Hull Fouling
Bryozoans	Bugulina stolonifera	1950	Definite	Established	Hull Fouling
Cnidarians-Anthozoans	Bunodeopsis sp. A	1995	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Isopods	Caecijaera horvathi	1951	Definite	Established	Hull Fouling
Cnidarians-Hydrozoans	Calyptospadix cerulea	1941	Definite	Established	Hull Fouling
Crustaceans-Amphipods	Caprella mutica	2000	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Caprella scaura	2001	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Caprella simia	2000	Definite	Established	Ballast Water, Hull Fouling
Mollusks-Gastropods	Catriona rickettsi	1980	Definite	Established	Ballast Water, Hull Fouling
Algae	Caulacanthus okamurae	1961	Definite	Established	Ballast Water, Hull Fouling
Nemerteans	Cephalothrix cf. simula*	2009	Definite	Established	Ballast Water, Hull Fouling
Sponges	Chalinula loosanoffi*	2001	Definite	Established	Hull Fouling
Crustaceans-Amphipods	Chelura terebrans	1950	Definite	Established	Hull Fouling
Tunicates	Ciona robusta	1897	Definite	Established	Ballast Water, Hull Fouling
Tunicates	Ciona savignyi	1985	Definite	Established	Hull Fouling
Algae	Colpomenia claytoniae	1999	Definite	Established	Ballast Water, Hull Fouling
Mollusks-Bivalves	Corbicula fluminea	1961	Definite	Established	None
Tunicates	Corella japonica*	2023	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Corophium alienense	2007	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Corophium heteroceratum	1990	Definite	Established	Ballast Water
Protozoans	Cothurnia limnoriae*	1951	Definite	Established	Hull Fouling
Mollusks-Gastropods	Crepidula convexa	2015	Definite	Established	Hull Fouling
Bryozoans	Cryptosula pallasiana	1944	Definite	Established	Hull Fouling
Cnidarians-Anthozoans	Diadumene franciscana	1977	Definite	Established	Ballast Water, Hull Fouling
Cnidarians-Anthozoans	Diadumene leucolena	1954	Definite	Established	Ballast Water, Hull Fouling
Cnidarians-Anthozoans	Diadumene lineata	1956	Definite	Established	Hull Fouling
Cnidarians-Anthozoans	Diadumene paranaensis	2012	Definite	Established	Hull Fouling
Tunicates	Didemnum vexillum	2007	Definite	Established	Hull Fouling
Annelids-Polychaetes	Diplocirrus SD1	1998	Definite	Established	Ballast Water, Hull Fouling
Tunicates	Diplosoma listerianum	1899	Definite	Established	Hull Fouling
Cnidarians-Hydrozoans	Ectopleura crocea	1876	Definite	Established	Hull Fouling
Algae	Elachista nigra	1984	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Eochelidium sp. A	1988	Definite	Established	Ballast Water, Hull Fouling
Annelids-Polychaetes	Epigamia noroi	2001	Definite	Established	Ballast Water, Hull Fouling
Cnidarians-Anthozoans	Exaiptasia pallida	1937	Definite	Established	Ballast Water, Hull Fouling, Pet Release
Annelids-Polychaetes	Ficopomatus enigmaticus	2000	Definite	Established	Ballast Water, Hull Fouling
Fishes	Gambusia affinis	1968	Definite	Established	None
Mollusks-Bivalves	Geukensia demissa	1955	Definite	Established	Ballast Water, Hull Fouling
Cnidarians-Hydrozoans	Gonionemus vertens	1965	Definite	Established	Fisheries Accidental (not Oyster), Hull Fouling, Scientific Escape
Algae	Gracilaria vermiculophylla	1979	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Crustaceans-Amphipods	Grandidierella japonica	1979	Definite	Established	Ballast Water, Hull Fouling, Natural Dispersal
Algae	Grateloupia turuturu	2008	Definite	Established	Hull Fouling
Sponges	Halichondria bowerbanki*	2001	Definite	Established	Hull Fouling
Mollusks-Gastropods	Haloa japonica	2013	Definite	Established	Ballast Water, Hull Fouling
Annelids-Polychaetes	Heteromastus filiformis species complex	2011	Definite	Established	Ballast Water
Bryozoans	Hippopodina iririkiensis*	2013	Definite	Established	Hull Fouling
Sponges	Hymeniacidon perlevis*	1914	Definite	Established	Hull Fouling, Oyster Accidental
Crustaceans-Isopods	Iais californica	1957	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Incisocalliope derzhavini	2011	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Jassa marmorata	1958	Definite	Established	Ballast Water, Hull Fouling
Fishes	Lepomis cyanellus	1895	Definite	Established	None
Fishes	Lepomis macrochirus	1971	Definite	Established	None
Crustaceans-Amphipods	Leucothoe nagatai	1979	Definite	Established	Hull Fouling
Annelids-Oligochaetes	Limnodrilus monothecus*	1960	Definite	Established	Ballast Water, Dry Ballast, Hull Fouling, Oyster Accidental
Crustaceans-Isopods	Limnoria quadripunctata	1949	Definite	Established	Hull Fouling
Crustaceans-Isopods	Limnoria tripunctata	1871	Definite	Established	Hull Fouling
Protozoans	Lobochona prorates*	1963	Definite	Established	Hull Fouling
Algae	Lomentaria hakodatensis*	1913	Definite	Established	Ballast Water, Hull Fouling
Mollusks-Bivalves	Lyrodus pedicellatus	1871	Definite	Established	Hull Fouling
Mollusks-Bivalves	Magallana gigas	2000	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental, Oyster Intentional
Annelids-Polychaetes	Megasyllis nipponica	1997	Definite	Established	Ballast Water, Hull Fouling
Mollusks-Gastropods	Melanoides tuberculata	2011	Definite	Established	None
Crustaceans-Amphipods	Melita nitida	2007	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Melita rylovae	2000	Definite	Established	Ballast Water, Hull Fouling
Fishes	Menidia audens	1997	Definite	Established	Canal
Tunicates	Microcosmus squamiger	1986	Definite	Established	Hull Fouling
Fishes	Micropterus salmoides	1974	Definite	Established	None
Protozoans	Mirofolliculina limnoriae*	1948	Definite	Established	Hull Fouling
Tunicates	Molgula ficus	1994	Definite	Established	Hull Fouling
Tunicates	Molgula manhattensis	1984	Definite	Established	Hull Fouling
Crustaceans-Amphipods	Monocorophium acherusicum	1946	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Monocorophium insidiosum	1950	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Monocorophium uenoi	1946	Definite	Established	Hull Fouling, Oyster Accidental
Algae	Mutimo cylindricus	1973	Definite	Established	Ballast Water, Hull Fouling
Mollusks-Gastropods	Myosotella myosotis	1915	Definite	Established	Cargo, Dry Ballast
Annelids-Polychaetes	Myrianida convoluta	2001	Definite	Established	Ballast Water, Hull Fouling
Annelids-Polychaetes	Myrianida pachycera	1990	Definite	Established	Ballast Water, Hull Fouling
Annelids-Polychaetes	Myrianida pentadentata	2001	Definite	Established	Ballast Water, Hull Fouling
Mollusks-Bivalves	Mytilus galloprovincialis	1987	Definite	Established	Ballast Water, Hull Fouling
Annelids-Polychaetes	Neoamphitrite sp. A	2004	Definite	Established	Ballast Water, Hull Fouling
Annelids-Polychaetes	Neodexiospira brasiliensis	1974	Definite	Established	Hull Fouling
Crustaceans-Isopods	Niambia capensis	1967	Definite	Established	None
Annelids-Polychaetes	Nicolea sp. A. Harris	2000	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Cumaceans	Nippoleucon hinumensis	2001	Definite	Established	Ballast Water
Bryozoans	Nolella sawayai*	2018	Definite	Established	Hull Fouling
Crustaceans-Copepods	Oithona davisae	2000	Definite	Established	Ballast Water
Mollusks-Gastropods	Okenia plana	1995	Definite	Established	Ballast Water, Hull Fouling
Fishes	Oreochromis mossambicus	1973	Definite	Established	Biocontrol
Crustaceans-Isopods	Orthione griffenis	2003	Definite	Established	Discarded Bait, Natural Dispersal
Algae	Pachymeniopsis lanceolata*	2003	Definite	Established	Ballast Water, Hull Fouling
Algae	Padina durvillei*	2016	Definite	Established	Hull Fouling
Crustaceans-Shrimp	Palaemon macrodactylus	1962	Definite	Established	Ballast Water, Discarded Bait, Natural Dispersal
Crustaceans-Amphipods	Paradexamine sp. SD1	1991	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Isopods	Paranthura japonica	2000	Definite	Established	Ballast Water, Hull Fouling
Annelids-Polychaetes	Parasabella fullo	2011	Definite	Established	Hull Fouling
Tunicates	Perophora japonica	2011	Definite	Established	Hull Fouling
Mollusks-Bivalves	Petricolaria pholadiformis	2021	Definite	Established	None
Mollusks-Gastropods	Philine auriformis	1994	Definite	Established	Ballast Water, Natural Dispersal
Algae	Phycocalidia suborbiculata*	1986	Definite	Established	Hull Fouling
Cnidarians-Scyphozoans	Phyllorhiza punctata	1981	Definite	Established	Ballast Water, Hull Fouling
Fishes	Poecilia latipinna	1977	Definite	Established	Pet Release
Tunicates	Polyandrocarpa zorritensis	1994	Definite	Established	Hull Fouling
Annelids-Polychaetes	Polydora cornuta	1938	Definite	Established	Ballast Water, Hull Fouling
Annelids-Polychaetes	Polydora hoplura	2011	Definite	Established	Hull Fouling
Mollusks-Gastropods	Potamopyrgus antipodarum	2015	Definite	Established	None
Crustaceans-Copepods	Pseudodiaptomus marinus	1986	Definite	Established	Ballast Water, Fisheries Accidental (not Oyster)
Annelids-Polychaetes	Pseudopolydora cf. kempi	1972	Definite	Established	Ballast Water, Hull Fouling
Annelids-Polychaetes	Pseudopolydora paucibranchiata	1951	Definite	Established	Ballast Water, Oyster Accidental
Crustaceans-Ostracods	Redekea californica	1953	Definite	Established	Hull Fouling
Protozoans	Rhizodomus tagatzi*	2004	Definite	Established	Ballast Water
Mollusks-Bivalves	Ruditapes philippinarum	1998	Definite	Established	Ballast Water, Fisheries Accidental (not Oyster), Fisheries Intentional
Algae	Sargassum horneri	2003	Definite	Established	Ballast Water, Hull Fouling
Algae	Sargassum muticum	1959	Definite	Established	Ballast Water, Hull Fouling, Natural Dispersal
Bryozoans	Schizoporella japonica	2015	Definite	Established	Hull Fouling
Algae	Schizymenia dubyi*	1957	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Tanaids	Sinelobus cf. stanfordi	2000	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Isopods	Sphaeroma quoianum	1927	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Isopods	Sphaeroma walkeri	1973	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Stenothoe valida	1951	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Copepods	Stephos robustus*	2018	Definite	Established	Ballast Water
Annelids-Polychaetes	Streblospio benedicti	1951	Definite	Established	Ballast Water, Fisheries Accidental (not Oyster), Hull Fouling
Tunicates	Styela canopus	1972	Definite	Established	Hull Fouling
Tunicates	Styela clava	1933	Definite	Established	Hull Fouling
Tunicates	Styela plicata	1915	Definite	Established	Hull Fouling
Tunicates	Symplegma reptans	1995	Definite	Established	Hull Fouling
Mollusks-Gastropods	Tenellia adspersa	1968	Definite	Established	Ballast Water, Hull Fouling
Mollusks-Bivalves	Teredo bartschi	2001	Definite	Established	Hull Fouling
Arthropoda-Insects	Thambemyia borealis*	1993	Definite	Established	Cargo, Hull Fouling
Mollusks-Bivalves	Theora lubrica	1969	Definite	Established	Ballast Water
Fishes	Tridentiger trigonocephalus	1960	Definite	Established	Ballast Water, Hull Fouling
Protozoans	Trochammina hadai*	1998	Definite	Established	None
Annelids-Oligochaetes	Tubificoides brownae*	1994	Definite	Established	Ballast Water, Dry Ballast, Hull Fouling
Cnidarians-Hydrozoans	Turritopsis dohrnii	2010	Definite	Established	Ballast Water, Hull Fouling
Algae	Ulva australis	1978	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Algae	Undaria pinnatifida	2000	Definite	Established	Ballast Water, Fisheries Accidental (not Oyster), Hull Fouling
Mollusks-Gastropods	Urosalpinx cinerea	1957	Definite	Established	Discarded Bait
Bryozoans	Victorella pavida	2004	Definite	Established	Hull Fouling
Bryozoans	Watersipora arcuata	1959	Definite	Established	Hull Fouling
Bryozoans	Watersipora n. sp.	2006	Definite	Established	Hull Fouling
Bryozoans	Watersipora subatra*	2010	Definite	Established	Hull Fouling
Bryozoans	Watersipora subtorquata	1937	Definite	Established	Hull Fouling
Mollusks-Bivalves	Xenostrobus securis*	2024	Definite	Established	Ballast Water, Hull Fouling

* = Species summary still under review.

nep-vi (Pt. Conception to Southern Baja California) Summary