Abundance List for Botrylloides violaceus
n = 324
Country Locality Introduced Year Qualitative Value Ref.
Canada British Colombia, BC (w. coast of North America) - abundant 84113
Canada British Colombia, Strait of Georgia, BC - common 84127
Canada British Colombia, Vancouver Island, s. (harbours) 1998 - extremely abundant 84113
United States (contiguous states) CA - extremely abundant 1745
United States (contiguous states) CA (w. coast of North America) - abundant 84113
United States (contiguous states) CA, s. - extremely abundant 1745
United States (contiguous states) Cape Ann Marina 2000 - absent 84102
United States (contiguous states) Central Basin 2005 - common 84125
United States (contiguous states) Channel Islands Harbor 2006 - common 84125
United States (contiguous states) Chevron Pier 2005 - common 84125
United States (contiguous states) China Basin 2005 - common 84125
United States (contiguous states) Chula Vista Marina 2005 - rare 84125
United States (contiguous states) Coasters Harbor Island 2000 - absent 84102
United States (contiguous states) Constitution Marina 2000 - absent 84102
United States (contiguous states) Cordova Marina, Prince William Sound- salinity 27‰ 1999 - absent 1745
United States (contiguous states) Corinthian Marina 2005 - rare 84125
United States (contiguous states) Cove Haven Marina 2000 - absent 84102
United States (contiguous states) Coyote Point 2005 - common 84125
United States (contiguous states) 24th Street, San Diego Bay 1995 - absent 1752
United States (contiguous states) 24th Street, San Diego Bay 1996 - absent 1752
United States (contiguous states) 24th Street, San Diego Bay, dredged 1995 - absent 1752
United States (contiguous states) AK - abundant 84113
United States (contiguous states) Allens Harbor 2003 - absent 84102
United States (contiguous states) Anacapa Island Marina, Port Hueneme 1996 - rare 1752
United States (contiguous states) Anacapa Island Marina, Port Hueneme 1998 - rare 1752
United States (contiguous states) Anacapa Island Marina, Port Hueneme 2000 - rare 1752
Canada Arctic, Arctic, CAN - absent 84113
United States (contiguous states) Avery Point docks, Groton 2003 - absent 84128
United States (contiguous states) Avery Point docks, Groton 2003 - absent 84128
United States (contiguous states) Avery Point docks, Groton 2003 - absent 84128
United States (contiguous states) Avery Point docks, Groton 2003 - absent 84128
United States (contiguous states) Avery Point docks, Groton 2003 - rare 84128
United States (contiguous states) Avery Point docks, Groton 2003 - rare 84128
United States (contiguous states) Avery Point docks, Groton 2003 - common 84128
United States (contiguous states) Avery Point docks, Groton 2003 - common 84128
United States (contiguous states) Avery Point docks, Groton 2003 - rare 84128
United States (contiguous states) Avery Point docks, Groton 2003 - rare 84128
United States (contiguous states) Avery Point docks, Groton 2003 - rare 84128
United States (contiguous states) Avery Point docks, Groton 2003 - rare 84128
United States (contiguous states) Ayala Cove, Angel Island 2005 - rare 84125
United States (contiguous states) Back Harbor, Long Beach Marina 1998 - rare 1752
United States (contiguous states) Back Harbor, Long Beach Marina 2000 - rare 1752
United States (contiguous states) Back Harbor, Oceanside 1994 - absent 1752
United States (contiguous states) Back Harbor, Oceanside 1995 - absent 1752
United States (contiguous states) Back Harbor, Oceanside 1997 - absent 1752
United States (contiguous states) Back Harbor, Oceanside 1998 - absent 1752
United States (contiguous states) Back Harbor: Pierpont Yacht Club, Ventura 1998 - rare 1752
United States (contiguous states) Bahia Point, Mission Bay 1998 - rare 1752
United States (contiguous states) Barnestable Marina 2000 - absent 84102
United States (contiguous states) Bay Point Marina 2000 - absent 84102
United States (contiguous states) Berkeley Marina 2005 - common 84125
United States (contiguous states) Black Falcon Terminal 2000 - absent 84102
United States (contiguous states) Boat Haven Marina, Port Townsend 1998 - very common 84112
United States (contiguous states) Bodega Bay 2006 - common 84125
United States (contiguous states) Bourne Marina 2000 - absent 84102
United States (contiguous states) Brewer South Freeport ME 2003 - absent 84102
United States (contiguous states) Brewer Yacht Haven Marine Center 2003 - absent 84102
United States (contiguous states) Brewer Yacht Yard at Mystic 2003 - absent 84102
Canada British Colombia, BC - extremely abundant 1745
United States (contiguous states) Coyote Point Marina 2005 - rare 84125
United States (contiguous states) Cruise Ship Terminal 2005 - rare 84125
United States (contiguous states) Dana Landing, Mission Bay 1995 - rare 1752
United States (contiguous states) Dana Point 1994 - absent 1752
United States (contiguous states) Dana Point 1994 - 1994 absent 1752
United States (contiguous states) Dana Point 1996 - absent 1752
United States (contiguous states) Dana Point 1996 - 1996 absent 1752
United States (contiguous states) Dana Point 1997 - absent 1752
United States (contiguous states) Dana Point 1997 - 1997 absent 1752
United States (contiguous states) Dana Point 1997 - 1997 absent 1752
United States (contiguous states) Dana Point 1998 - absent 1752
United States (contiguous states) Dana Point 1998 - 1998 absent 1752
United States (contiguous states) Des Moines Marina 1998 - common 84112
United States (contiguous states) Duxbury Town Pier 2000 - absent 84102
United States (contiguous states) Edgewood Yacht Club 2000 - absent 84102
United States (contiguous states) Eel Pond (MBL) 2000 - absent 84102
United States (contiguous states) Ensenada Baja California (Hotel Coral) 2000 - 2000 absent 1752
United States (contiguous states) Ensenada Baja California (Juanita's Dock) 2000 - 2000 abundant 1752
Mexico Ensenada, Baja California - abundant 84113
United States (contiguous states) Entrance, Long Beach Marina 1998 - rare 1752
United States (contiguous states) Entrance: Island Packers, Ventura 1996 - rare 1752
United States (contiguous states) Entrance: Island Packers, Ventura 1998 - absent 1752
United States (contiguous states) Entrance: Jack's Landing, Port Hueneme 1996 - rare 1752
United States (contiguous states) Entrance: Jack's Landing, Port Hueneme 1998 - absent 1752
United States (contiguous states) Entrance: Jack's Landing, Port Hueneme 2000 - rare 1752
United States (contiguous states) Entrance: Jack's Landing, Port Hueneme, cleaned 1997 - absent 1752
United States (contiguous states) Fairmont Bay oyster farm, Prince William Sound 1999 - absent 1745
United States (contiguous states) Fall River 2000 - absent 84102
United States (contiguous states) Ferry Terminal 2005 - rare 84125
United States (contiguous states) Fiddlers Cove, San Diego Bay 1995 - rare 1752
United States (contiguous states) Fiddlers Cove, San Diego Bay 1996 - rare 1752
United States (contiguous states) Fiddlers Cove, San Diego Bay 1997 - rare 1752
United States (contiguous states) Fiddlers Cove, San Diego Bay 1998 - rare 1752
United States (contiguous states) Fiddlers Cove, San Diego Bay 2000 - rare 1752
United States (contiguous states) Ft. Getty Fishing Pier 2000 - absent 84102
United States (contiguous states) Fun Zone, Newport Harbor 1994 - absent 1752
United States (contiguous states) Fun Zone, Newport Harbor 1995 - absent 1752
United States (contiguous states) Fun Zone, Newport Harbor 1996 - absent 1752
United States (contiguous states) Fun Zone, Newport Harbor 1997 - absent 1752
United States (contiguous states) Fun Zone, Newport Harbor 1998 - absent 1752
United States (contiguous states) Gloucester State Pier 2000 - absent 84102
United States (contiguous states) Gulf of Maine - abundant 84113
United States (contiguous states) Hampton State Pier 2003 - absent 84102
United States (contiguous states) Harbor Island Marina 2005 - rare 84125
United States (contiguous states) Harbor Island, San Diego Bay 1994 - absent 1752
United States (contiguous states) Harbor Island, San Diego Bay 1995 - rare 1752
United States (contiguous states) Harbor Island, San Diego Bay 1998 - rare 1752
United States (contiguous states) Hawthorne Cove Marina 2003 - absent 84102
United States (contiguous states) Hawthorne Marina 2000 - absent 84102
United States (contiguous states) Homer Marina, Kachemak Bay, Cook Inlet 1999 - absent 1745
United States (contiguous states) Humboldt Bay 2006 - common 84125
United States (contiguous states) Humboldt Bay 2006 - common 84125
United States (contiguous states) Impound Marina, Long Beach / Angeles Harbors 1995 - rare 1752
United States (contiguous states) Impound Marina, Long Beach / Angeles Harbors 1996 - rare 1752
United States (contiguous states) Impound Marina, Long Beach / Angeles Harbors 2000 - rare 1752
United States (contiguous states) Intertidal rocks low tide morning; Tatitlek 1999 - absent 1745
United States (contiguous states) J Street, San Diego Bay 1994 - rare 1752
United States (contiguous states) J Street, San Diego Bay 1995 - rare 1752
United States (contiguous states) J Street, San Diego Bay 1996 - rare 1752
United States (contiguous states) J Street, San Diego Bay 1997 - rare 1752
United States (contiguous states) J Street, San Diego Bay 1998 - rare 1752
United States (contiguous states) J Street, San Diego Bay 2000 - rare 1752
United States (contiguous states) Kelco Dock 2005 - rare 84125
United States (contiguous states) King Harbor 1995 - absent 1752
United States (contiguous states) King Harbor 1995 - 1995 absent 1752
United States (contiguous states) King Harbor 1998 - absent 1752
United States (contiguous states) King Harbor 1998 - 1998 absent 1752
United States (contiguous states) King Harbor 2000 - 2000 absent 1752
United States (contiguous states) LA/Long Beach Harbor 2006 - common 84125
United States (contiguous states) LA/Long Beach Harbor 2006 - common 84125
United States (contiguous states) LA/Long Beach Harbor 2006 - common 84125
United States (contiguous states) Lido Island, Newport Harbor 1994 - absent 1752
United States (contiguous states) Lido Island, Newport Harbor 1995 - absent 1752
United States (contiguous states) Lido Island, Newport Harbor 1996 - absent 1752
United States (contiguous states) Lido Island, Newport Harbor 1997 - absent 1752
United States (contiguous states) Lido Island, Newport Harbor 1998 - absent 1752
United States (contiguous states) Long Beach Marina (Back Harbor) 1998 - 1998 abundant 1752
United States (contiguous states) Long Beach Marina (Back Harbor) 2000 - 2000 abundant 1752
United States (contiguous states) Long Beach Marina (Entrance) 1998 - 1998 rare 1752
United States (contiguous states) Long Beach Marina (Spinnaker Cove) 1998 - 1998 rare 1752
United States (contiguous states) Long Beach/ Los Angeles Harbors (Impound Marina) 1995 - 1995 rare 1752
United States (contiguous states) Long Beach/ Los Angeles Harbors (Impound Marina) 1996 - 1996 rare 1752
United States (contiguous states) Long Beach/ Los Angeles Harbors (Impound Marina) 2000 - 2000 abundant 1752
United States (contiguous states) Long Beach/ Los Angeles Harbors (Watchorn Marina) 1994 - 1994 rare 1752
United States (contiguous states) Long Beach/ Los Angeles Harbors (Watchorn Marina) 2000 - 2000 extremely abundant 1752
United States (contiguous states) MA - abundant 84113
United States (contiguous states) MA Maritime Academy 2000 - absent 84102
United States (contiguous states) Marina Del Rey 1998 - rare 1752
United States (contiguous states) Marina Del Rey 1998 - 1998 rare 1752
United States (contiguous states) Marina Del Rey 2000 - 2000 rare 1752
United States (contiguous states) Massachusetts Maritime Academy 2003 - absent 84102
United States (contiguous states) ME - abundant 84113
United States (contiguous states) Milford Yacht Club 2003 - absent 84102
United States (contiguous states) Mission Bay (Bahia Point) 1998 - 1998 common 1752
United States (contiguous states) Mission Bay (Dana Landing) 1995 - 1995 rare 1752
United States (contiguous states) Mission Bay (Dana Landing) 1995 - 1995 rare 1752
United States (contiguous states) Mission Bay (Quivera Basin) 1994 - 1994 rare 1752
United States (contiguous states) Mission Bay (Quivera Basin) 1995 - 1995 rare 1752
United States (contiguous states) Mission Bay (Quivera Basin) 1997 - 1997 absent 1752
United States (contiguous states) Mission Bay (Quivera Basin) 2000 - 2000 rare 1752
United States (contiguous states) Mission Bay (South Shores Boat Ramp) 1997 - 1997 absent 1752
United States (contiguous states) Mission Bay (South Shores Boat Ramp) 1998 - 1998 extremely abundant 1752
United States (contiguous states) Mission Bay (Yacht Club) 1997 - 1997 rare 1752
United States (contiguous states) Mission Bay Yacht Club, Mission Bay 1997 - rare 1752
United States (contiguous states) Morro Bay 2006 - common 84125
United States (contiguous states) Moss Landing Harbor 2006 - common 84125
United States (contiguous states) MWRA Deer Island 2000 - absent 84102
United States (contiguous states) N. K. Town Marina 2000 - absent 84102
United States (contiguous states) NEERS Town Wharf 2000 - absent 84102
United States (contiguous states) New Bedford State Pier 2000 - absent 84102
Canada New Brunswick, NB - absent 84113
Canada New Brunswick, New Brunswick 2006 - absent 84105
United States (contiguous states) Newport Harbor (Fun Zone) 1994 - 1994 absent 1752
United States (contiguous states) Newport Harbor (Fun Zone) 1995 - 1995 absent 1752
United States (contiguous states) Newport Harbor (Fun Zone) 1996 - 1996 absent 1752
United States (contiguous states) Newport Harbor (Fun Zone) 1997 - 1997 rare 1752
United States (contiguous states) Newport Harbor (Fun Zone) 1997 - 1997 absent 1752
United States (contiguous states) Newport Harbor (Fun Zone) 1998 - 1998 absent 1752
United States (contiguous states) Newport Harbor (Lido Island) 1994 - 1994 absent 1752
United States (contiguous states) Newport Harbor (Lido Island) 1995 - 1995 absent 1752
United States (contiguous states) Newport Harbor (Lido Island) 1996 - 1996 absent 1752
United States (contiguous states) Newport Harbor (Lido Island) 1997 - 1997 absent 1752
United States (contiguous states) Newport Harbor (Lido Island) 1997 - 1997 absent 1752
United States (contiguous states) Newport Harbor (Lido Island) 1998 - 1998 absent 1752
United States (contiguous states) Newport Harbor (Upper Bay) 1994 - 1994 absent 1752
United States (contiguous states) Newport Harbor (Upper Bay) 1995 - 1995 absent 1752
United States (contiguous states) Newport Harbor (Upper Bay) 1996 - 1996 absent 1752
United States (contiguous states) Newport Harbor (Upper Bay) 1997 - 1997 absent 1752
United States (contiguous states) Newport Harbor (Upper Bay) 1997 - 1997 absent 1752
United States (contiguous states) Newport Harbor (Upper Bay) 1998 - 1998 absent 1752
United States (contiguous states) Newport Shipyard 2003 - absent 84102
United States (contiguous states) NH - abundant 84113
Canada NL, Public wharf, Belleoram - very common 84120
Canada Nova Scotia e. (nautical buoys from LaHave) 2005 - absent 84113
United States (contiguous states) Oakland Inner Harbor - Marinas 2005 - common 84125
United States (contiguous states) Oakland Inner Harbor - Shipping 2005 - rare 84125
United States (contiguous states) Oakland Outer Harbor 2005 - rare 84125
United States (contiguous states) Oceanside (Back Harbor) 1994 - 1994 absent 1752
United States (contiguous states) Oceanside (Back Harbor) 1996 - 1996 absent 1752
United States (contiguous states) Oceanside (Back Harbor) 1997 - 1997 absent 1752
United States (contiguous states) Oceanside (Back Harbor) 1997 - 1997 rare 1752
United States (contiguous states) Oceanside (Back Harbor) 1998 - 1998 absent 1752
United States (contiguous states) Oceanside (Police Floats) 1994 - 1994 absent 1752
United States (contiguous states) Oceanside (Police Floats) 1995 - 1995 absent 1752
United States (contiguous states) Oceanside (Police Floats) 1995 - 1995 absent 1752
United States (contiguous states) Oceanside (Police Floats) 1996 - 1996 rare 1752
United States (contiguous states) Oceanside (Police Floats) 1997 - 1997 absent 1752
United States (contiguous states) Oceanside (Police Floats) 1997 - 1997 absent 1752
United States (contiguous states) Oceanside (Police Floats) 1998 - 1989 absent 1752
United States (contiguous states) Oceanside (Police Floats) 2000 - 2000 absent 1752
United States (contiguous states) Oyster cages from oyster-culture facility 1999 - absent 1745
United States (contiguous states) Pier 39 2005 - rare 84125
United States (contiguous states) Plymouth State Pier 2000 - absent 84102
United States (contiguous states) Point Richmond Piers 2005 - rare 84125
United States (contiguous states) Police Floats, Oceanside 1994 - absent 1752
United States (contiguous states) Police Floats, Oceanside 1995 - absent 1752
United States (contiguous states) Police Floats, Oceanside 1996 - rare 1752
United States (contiguous states) Police Floats, Oceanside 1997 - absent 1752
United States (contiguous states) Police Floats, Oceanside 1998 - absent 1752
United States (contiguous states) Police Floats, Oceanside 2000 - absent 1752
United States (contiguous states) Port Harbor Marine 2003 - absent 84102
United States (contiguous states) Port Hueneme 2006 - common 84125
United States (contiguous states) Port Hueneme (Anacapa Island Marina) 1994 - 1994 common 1752
United States (contiguous states) Port Hueneme (Anacapa Island Marina) 1997 - 1997 common 1752
United States (contiguous states) Port Hueneme (Anacapa Island Marina) 2000 - 2000 abundant 1752
United States (contiguous states) Port Hueneme (Entrance: Jack's Landing) 1994 - 1994 absent 1752
United States (contiguous states) Port Hueneme (Entrance: Jack's Landing) 1997 - 1997 common 1752
United States (contiguous states) Port Hueneme (Entrance: Jack's Landing) 1998 - 1998 absent 1752
United States (contiguous states) Port Hueneme (Entrance: Jack's Landing) 2000 - 2000 absent 1752
United States (contiguous states) Port of Oakland 2005 - rare 84125
United States (contiguous states) Portland Yacht Services 2003 - absent 84102
United States (contiguous states) Portrero Point 2005 - rare 84125
Canada Prince Edward Island, - 2004 - abundant 84113
Canada Prince Edward Island, - 2005 - rare 84113
Canada Prince Edward Island, Charlotte's Shore 2004 - rare 84113
Canada Prince Edward Island, Gulf of St. Lawrence - absent 84113
United States (contiguous states) Quivira Basin, Mission Bay 1994 - rare 1752
United States (contiguous states) Quivira Basin, Mission Bay 1995 - rare 1752
United States (contiguous states) Quivira Basin, Mission Bay 1997 - absent 1752
United States (contiguous states) Quivira Basin, Mission Bay 2000 - rare 1752
United States (contiguous states) RI - abundant 84113
United States (contiguous states) Richardson Bay 2005 - rare 84125
United States (contiguous states) Richmond Marina 2005 - common 84125
United States (contiguous states) Roger Williams University 2000 - absent 84102
United States (contiguous states) Romberg Tiburon Center 2005 - rare 84125
United States (contiguous states) Rowes Wharf 2000 - absent 84102
United States (contiguous states) Rowes Wharf 2003 - absent 84102
United States (contiguous states) San Diego Bay (24th Street) 1995 - 1995 absent 1752
United States (contiguous states) San Diego Bay (24th Street) 1995 - 1995 absent 1752
United States (contiguous states) San Diego Bay (24th Street) 1996 - 1996 absent 1752
United States (contiguous states) San Diego Bay (Fiddlers Cove) 1995 - 1995 abundant 1752
United States (contiguous states) San Diego Bay (Fiddlers Cove) 1996 - 1996 rare 1752
United States (contiguous states) San Diego Bay (Fiddlers Cove) 1997 - 1997 rare 1752
United States (contiguous states) San Diego Bay (Fiddlers Cove) 1998 - 1998 common 1752
United States (contiguous states) San Diego Bay (Fiddlers Cove) 2000 - 2000 rare 1752
United States (contiguous states) San Diego Bay (Harbor Island) 1994 - 1994 absent 1752
United States (contiguous states) San Diego Bay (Harbor Island) 1995 - 1995 common 1752
United States (contiguous states) San Diego Bay (Harbor Island) 1998 - 1998 common 1752
United States (contiguous states) San Diego Bay (J Street) 1994 - 1994 rare 1752
United States (contiguous states) San Diego Bay (J Street) 1995 - 1995 rare 1752
United States (contiguous states) San Diego Bay (J Street) 1996 - 1996 rare 1752
United States (contiguous states) San Diego Bay (J Street) 1997 - 1997 rare 1752
United States (contiguous states) San Diego Bay (J Street) 1998 - 1998 common 1752
United States (contiguous states) San Diego Bay (J Street) 2000 - 2000 rare 1752
United States (contiguous states) San Diego Bay (Shelter Island) 1995 - 1995 rare 1752
United States (contiguous states) San Diego Bay (Shelter Island) 1996 - 1996 absent 1752
United States (contiguous states) San Diego Bay (Shelter Island) 1997 - 1997 rare 1752
United States (contiguous states) San Diego Bay (Shelter Island) 1998 - 1998 rare 1752
United States (contiguous states) San Diego Bay (Shelter Island) 2000 - 2000 common 1752
United States (contiguous states) Sandwich Marina 2000 - absent 84102
United States (contiguous states) Santa Barbara 1994 - 1994 rare 1752
United States (contiguous states) Santa Barbara 1996 - rare 1752
United States (contiguous states) Santa Barbara 1997 - 1997 common 1752
United States (contiguous states) Santa Barbara 1998 - rare 1752
United States (contiguous states) Santa Barbara Harbor 2006 - common 84125
United States (contiguous states) Santa Fe Channel - Back 2005 - common 84125
United States (contiguous states) Santa Fe Channel - Front 2005 - rare 84125
United States (contiguous states) Sea Plane Harbor 2005 - rare 84125
United States (contiguous states) Sea Plane Lagoon 2005 - common 84125
United States (contiguous states) SERC fouling panels and frames (3 m depth) 1999 - abundant 1745
United States (contiguous states) SERC fouling panels, Cordova Marina 1999 - absent 1745
United States (contiguous states) SERC fouling panels, Valdez, Prince William Sound 1999 - absent 1745
United States (contiguous states) Seward Marina (0.3 m depth) / Lowell Point 1999 - absent 1745
United States (contiguous states) Shelter Island Marina 2005 - rare 84125
United States (contiguous states) Shelter Island, San Diego Bay 1995 - rare 1752
United States (contiguous states) Shelter Island, San Diego Bay 1996 - absent 1752
United States (contiguous states) Shelter Island, San Diego Bay 1997 - rare 1752
United States (contiguous states) Shelter Island, San Diego Bay 1998 - rare 1752
United States (contiguous states) Shelter Island, San Diego Bay 2000 - rare 1752
United States (contiguous states) Shelton Marina Yacht Club floats, Port of Shelton 1998 - very common 84112
United States (contiguous states) Sitka Sea Farm, Sitka - extremely abundant 1745
United States (contiguous states) South Shores Boat Ramp, Mission Bay 1997 - absent 1752
United States (contiguous states) South Shores Boat Ramp, Mission Bay 1998 - rare 1752
United States (contiguous states) South Street Seaport 2003 - absent 84102
United States (contiguous states) South-central Alaska - extremely abundant 1745
United States (contiguous states) Spinnaker Cove, Long Beach Marina 1998 - rare 1752
United States (contiguous states) Squalicum Harbor, Port of Bellingham, Bellingham 1998 - rare 84112
United States (contiguous states) St. Francis Yacht Harbor 2005 - rare 84125
United States (contiguous states) Stirling Harbor Shipyard 2003 - absent 84102
United States (contiguous states) Tomales Bay 2006 - common 84125
United States (contiguous states) Treasure Island 2005 - rare 84125
United States (contiguous states) Tripp Marina 2000 - absent 84102
United States (contiguous states) Tripps Marina 2003 - absent 84102
United States (contiguous states) Tucks Marina 2000 - absent 84102
United States (contiguous states) UNH Coastal Marine Lab/Coast Guard 2003 - absent 84102
United States (contiguous states) Upper Bay, Newport Harbor 1994 - absent 1752
United States (contiguous states) Upper Bay, Newport Harbor 1995 - absent 1752
United States (contiguous states) Upper Bay, Newport Harbor 1996 - absent 1752
United States (contiguous states) Upper Bay, Newport Harbor 1997 - absent 1752
United States (contiguous states) Upper Bay, Newport Harbor 1998 - absent 1752
United States (contiguous states) Valdez Marina, Prince William Sound 1999 - absent 1745
United States (contiguous states) Ventura (Back Harbor: Pierpont Yacht Club) 1994 - 1994 absent 1752
United States (contiguous states) Ventura (Entrance: Island Packers) 1994 - 1994 abundant 1752
United States (contiguous states) Ventura (Entrance: Island Packers) 1997 - 1997 rare 1752
United States (contiguous states) WA - extremely abundant 1745
United States (contiguous states) WA (w. coast of North America) - abundant 84113
United States (contiguous states) Warwick Cove Marina 2000 - absent 84102
United States (contiguous states) Watchorn Marina, Long Beach / Angeles Harbors 1994 - rare 1752
United States (contiguous states) Watchorn Marina, Long Beach / Angeles Harbors 2000 - rare 1752
United States (contiguous states) west coast of North America - abundant 84113
United States (contiguous states) Whittier Marina, Prince William Sound 1999 - absent 1745
United States (contiguous states) Wickford Marina 2000 - absent 84102
United States (contiguous states) Woods Hole Coast Guard 2000 - absent 84102
United States (contiguous states) Woods Hole Coast Guard Station 2003 - absent 84102
United States (contiguous states) Yerba Buena Island 2005 - rare 84125
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