Specimen Information

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

Specimen ID241638
GroupTunicates
GenusBotrylloides
Speciesviolaceus
Common Namean orange sheath tunicate
StateWA
CountyJefferson
LocalityPort Townsend Bay, Boat Haven Marina, Port Townsend, on the northeast tip of the Olympic Peninsula.
Mapping AccuracyAccurate
HUC8 NamePuget Sound
HUC8 Number17110019
HUC10 NamePuget Sound
HUC10 Number1711001912
HUC12 NamePuget Sound
HUC12 Number171100191200
Map
Collection Day10
Collection Month9
Collection Year1998
Year AccuracyActual
Potential Pathwayhitch hiker with oysters | shipping hull fouling
Statusestablished
Reference 1
Ref. Number:14791
Author:Cohen, A., C. Mills, H. Berry, M. Wonham, B. Bingham, B. Bookheim, J. Carlton, J. Chapman, J. Cordell, L. Harris, T. Klinger, A. Kohn, C. Lambert, G. Lambert, K. Li, D. Secord, and J. Toft.
Date:1998
Title:A rapid assessment survey of non-indigenous species in the shallow waters of Puget Sound. Report of the Puget Sound Expedition.
Publisher:Washington State Department of Natural Resources, Olympia, WA.
Pages:37 pp
Record TypeLiterature
Freshwater/MarineMarine-Brackish


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Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/6/2025].

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