Botrylloides violaceus
Botrylloides violaceus
(an orange sheath tunicate)
Tunicates
Exotic

31 results for Botrylloides violaceus (an orange sheath tunicate)
Download Data
Click here for listing in all states

Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
161282 WA Puget Sound1977 17110019 Puget Soundestablished
279275 WAJeffersonHood Canal, Black Point2011 17110018 Hood Canalestablished
269943 WAJeffersonPleasant Harbor, WDFW boat ramp, Hood Canal2009 17110018 Hood Canalestablished
269160 WAJeffersonPoint Whitney Tidelands, Dabob Bay, Hood Canal.2010 17110018 Hood Canalestablished
241637 WAJeffersonPort Hadlock Bay, Port Hadlock Bay Marina, Port Hadlock, by the Old Alcohol Plant.1998 17110019 Puget Soundestablished
241636 WAJeffersonPort Ludlow Bay, Port Ludlow Marina, on the east side of the Olympic Peninsula.1998 17110019 Puget Soundestablished
241638 WAJeffersonPort Townsend Bay, Boat Haven Marina, Port Townsend, on the northeast tip of the Olympic Peninsula.1998 17110019 Puget Soundestablished
241634 WAKingDes Moines Marina, City of Des Moines, Puget Sound.1998 17110019 Puget Soundestablished
241633 WAKingElliott Bay, Elliott Bay Marina, Seattle, north end of Elliott Bay, Seattle1998 17110019 Puget Soundestablished
241107 WAKingElliott Bay, Myrtle Edwards Park2007 17110019 Puget Soundestablished
1883930 WAKingSouth Central Puget Sound, Golden Gardens2024 17110019 Puget Sound 
1883940 WAKingSouth Central Puget Sound, Golden Gardens2024 17110019 Puget Sound 
241635 WAKitsapBurke Bay [Puget Sound], Brownsville Marina, Brownsville, on the Kitsap Peninsula west of Bainbridge Island.1998 17110019 Puget Soundestablished
241627 WAKitsapHood Canal, Seabeck Marina, Seabeck, on the Kitsap Peninsula.1998 17110018 Hood Canalestablished
241631 WAMasonCase Inlet, Fair Harbor Marina, Grapeview, in the northern portion of Case Inlet, in the south sound.1998 17110019 Puget Soundestablished
241628 WAMasonOakland Bay, Port of Shelton Marina, Shelton, at the end of Hammersley Inlet.1998 17110019 Puget Soundestablished
241261 WAPacificWillapa Bay, Nahcotta Small Boat Basin2000 17100106 Willapa Bayestablished
241260 WAPacificWillapa Bay, Stackpole Slough2000 17100106 Willapa Bayestablished
241256 WAPacificWillapa Bay, Wilson Point2000 17100106 Willapa Bayestablished
1883941 WAPiercePoint Defiance boat launch2024 17110019 Puget Sound 
241705 WASan JuanFisherman's Bay, Lopez Island, San Juan Islands.1998 17110003 San Juan Islandsestablished
241701 WASan JuanMitchell Bay, Mitchell Bay Marina, San Juan Island.1998 17110003 San Juan Islandsestablished
241704 WASan JuanOrcas Island (most harbors)1998 17110003 San Juan Islandsestablished
241700 WASan JuanRoche Harbor, Roche Harbor Marina, San Juan Island.1998 17110003 San Juan Islandsestablished
241702 WASan JuanWestcott Bay, San Juan Island1998 17110003 San Juan Islandsestablished
Page:12

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.


Disclaimer:

The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/7/2025].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.