Taxonomic Group	Name	Year	Invasion Status	Population Status	Vectors
Fishes	Acanthogobius flavimanus	1974	Definite	Established	Discarded Bait, Natural Dispersal
Fishes	Alosa sapidissima	1880	Definite	Established	Natural Dispersal
Crustaceans-Amphipods	Ampelisca abdita	1998	Definite	Established	Discarded Bait, Fisheries Accidental (not Oyster), Hull Fouling, Oyster Accidental
Crustaceans-Barnacles	Amphibalanus improvisus	1998	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Crustaceans-Amphipods	Ampithoe valida	1998	Definite	Established	Hull Fouling, Oyster Accidental
Tunicates	Ascidia zara	2001	Definite	Established	Hull Fouling
Entoprocts	Barentsia benedeni	1998	Definite	Established	Hull Fouling, Oyster Accidental
Mollusks-Gastropods	Batillaria attramentaria	1955	Definite	Established	Oyster Accidental
Tunicates	Botrylloides violaceus	1998	Definite	Established	Hull Fouling
Tunicates	Botryllus schlosseri	1984	Definite	Established	Hull Fouling
Bryozoans	Bugula neritina	1905	Definite	Established	Hull Fouling, Oyster Accidental
Bryozoans	Bugulina cf. foliolata	2003	Definite	Established	Hull Fouling
Bryozoans	Bugulina stolonifera	1998	Definite	Established	Hull Fouling
Crustaceans-Amphipods	Caprella mutica	1978	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Crustaceans-Amphipods	Caprella scaura	1978	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Crustaceans-Crabs	Carcinus maenas	1993	Definite	Established	Ballast Water, Discarded Bait, Hull Fouling, Natural Dispersal
Algae	Caulacanthus okamurae	2005	Definite	Established	Ballast Water, Hull Fouling
Platyhelminthes	Cercaria batillariae*	1994	Definite	Established	Oyster Accidental
Sponges	Chalinula loosanoffi*	1970	Definite	Established	Hull Fouling, Oyster Accidental
Tunicates	Ciona robusta	1974	Definite	Established	Hull Fouling, Oyster Accidental
Tunicates	Ciona savignyi	2003	Definite	Established	Hull Fouling
Cnidarians-Hydrozoans	Climacocodon ikarii	1970	Definite	Established	Ballast Water
Algae	Colpomenia claytoniae	1999	Definite	Established	Hull Fouling
Bryozoans	Conopeum tenuissimum	1998	Definite	Established	Hull Fouling, Oyster Accidental
Cnidarians-Hydrozoans	Cordylophora caspia	1998	Definite	Established	Hull Fouling, Oyster Accidental
Bryozoans	Cryptosula pallasiana	1952	Definite	Established	Hull Fouling, Oyster Accidental
Cnidarians-Anthozoans	Diadumene franciscana	1998	Definite	Established	Hull Fouling
Cnidarians-Anthozoans	Diadumene leucolena	1998	Definite	Established	Hull Fouling, Oyster Intentional
Cnidarians-Anthozoans	Diadumene lineata	1938	Definite	Established	Hull Fouling, Oyster Accidental
Tunicates	Didemnum vexillum	1998	Definite	Established	Fisheries Accidental (not Oyster), Hull Fouling, Oyster Accidental
Tunicates	Diplosoma listerianum	1939	Definite	Established	Hull Fouling
Fishes	Dorosoma petenense	1972	Definite	Established	Fisheries Intentional
Cnidarians-Hydrozoans	Ectopleura crocea	1935	Definite	Established	Hull Fouling
Annelids-Polychaetes	Ficopomatus enigmaticus	1994	Definite	Established	Hull Fouling
Fishes	Gambusia affinis	1973	Definite	Established	Biocontrol
Mollusks-Bivalves	Gemma gemma	1965	Definite	Established	Oyster Accidental
Algae	Gracilaria vermiculophylla	1994	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Algae	Gracilariopsis chorda*	2011	Definite	Established	Oyster Accidental
Crustaceans-Amphipods	Grandidierella japonica	1998	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Sponges	Halichondria bowerbanki*	1998	Definite	Established	Hull Fouling, Oyster Intentional
Annelids-Polychaetes	Heteromastus filiformis species complex	1977	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Sponges	Hymeniacidon perlevis*	1995	Definite	Established	Hull Fouling, Oyster Accidental
Crustaceans-Isopods	Iais californica	1998	Definite	Established	Hull Fouling
Crustaceans-Isopods	Ianiropsis serricaudis	2002	Definite	Established	None
Crustaceans-Amphipods	Incisocalliope derzhavini	1985	Definite	Established	Ballast Water, Hull Fouling
Crustaceans-Amphipods	Jassa marmorata	1990	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Protozoans	Lankesteria ascidiae*	1980	Definite	Established	Hull Fouling
Crustaceans-Isopods	Limnoria quadripunctata	1935	Definite	Established	Hull Fouling
Mollusks-Bivalves	Lyrodus pedicellatus	1935	Definite	Established	Hull Fouling
Crustaceans-Amphipods	Melita nitida	1975	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Tunicates	Molgula manhattensis	1998	Definite	Established	Hull Fouling, Oyster Accidental
Crustaceans-Amphipods	Monocorophium acherusicum	1947	Definite	Established	Ballast Water, Hull Fouling, Oyster Intentional
Crustaceans-Amphipods	Monocorophium insidiosum	1968	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Crustaceans-Amphipods	Monocorophium uenoi	1966	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Fishes	Morone saxatilis	1880	Definite	Established	Natural Dispersal
Mollusks-Gastropods	Myosotella myosotis	1945	Definite	Established	Cargo, Dry Ballast, Oyster Accidental
Crustaceans-Copepods	Mytilicola orientalis	1974	Definite	Established	Hull Fouling, Oyster Accidental
Mollusks-Bivalves	Mytilus galloprovincialis	1990	Definite	Established	Ballast Water, Hull Fouling
Annelids-Polychaetes	Neodexiospira brasiliensis	2011	Definite	Established	None
Mollusks-Gastropods	Okenia plana	1998	Definite	Established	Hull Fouling, Oyster Accidental
Algae	Pachymeniopsis lanceolata*	2008	Definite	Established	Hull Fouling, Oyster Accidental
Crustaceans-Shrimp	Palaemon macrodactylus	1981	Definite	Established	Ballast Water, Discarded Bait
Annelids-Polychaetes	Parasabella fullo	2011	Definite	Established	Hull Fouling
Mollusks-Gastropods	Philine auriformis	1996	Definite	Established	Ballast Water, Natural Dispersal
Annelids-Polychaetes	Polydora cornuta	1977	Definite	Established	Hull Fouling, Oyster Accidental
Annelids-Polychaetes	Polydora hoplura	2011	Definite	Established	Ballast Water, Hull Fouling, Oyster Accidental
Mollusks-Gastropods	Potamopyrgus antipodarum	2008	Definite	Established	Fisheries Accidental (not Oyster), Natural Dispersal
Annelids-Polychaetes	Pseudopolydora paucibranchiata	1972	Definite	Established	Oyster Accidental
Mollusks-Bivalves	Ruditapes philippinarum	1949	Definite	Established	Oyster Accidental
Algae	Sargassum muticum	1977	Definite	Established	Ballast Water, Hull Fouling, Natural Dispersal, Oyster Accidental
Bryozoans	Schizoporella japonica	1952	Definite	Established	Hull Fouling, Oyster Accidental
Algae	Schizymenia dubyi*	2006	Definite	Established	Hull Fouling, Oyster Accidental
Crustaceans-Tanaids	Sinelobus cf. stanfordi	2001	Definite	Established	Hull Fouling, Oyster Accidental
Crustaceans-Isopods	Sphaeroma quoianum	1998	Definite	Established	Hull Fouling
Crustaceans-Amphipods	Stenothoe valida	2011	Definite	Established	None
Annelids-Polychaetes	Streblospio benedicti	1975	Definite	Established	Hull Fouling, Oyster Accidental
Tunicates	Styela clava	1935	Definite	Established	Hull Fouling, Oyster Accidental
Mollusks-Gastropods	Tenellia adspersa	1977	Definite	Established	Ballast Water, Hull Fouling
Annelids-Oligochaetes	Tubificoides brownae*	2004	Definite	Established	Dry Ballast, Oyster Accidental
Algae	Ulva australis	2011	Definite	Established	Hull Fouling, Oyster Accidental
Algae	Undaria pinnatifida	2001	Definite	Established	Ballast Water, Fisheries Accidental (not Oyster), Hull Fouling, Natural Dispersal
Crustaceans-Shrimp	Upogebia major	2020	Definite	Established	Discarded Bait, Fisheries Accidental (not Oyster), Natural Dispersal
Bryozoans	Victorella pavida	2003	Definite	Established	Hull Fouling
Bryozoans	Watersipora n. sp.	2006	Definite	Established	Hull Fouling

* = Species summary still under review.

p080 (Monterey Bay) Summary