Botrylloides violaceus
Botrylloides violaceus
(an orange sheath tunicate)
Tunicates
Exotic
Collection Info
Point Map
Species Profile
Animated Map

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

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
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

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/22/2026].

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.