Botrylloides violaceus
Botrylloides violaceus
(an orange sheath tunicate)
Tunicates
Exotic
Collection Info
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8 results for Botrylloides violaceus (an orange sheath tunicate)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
623261 CASanta BarbaraFront South2006 18060013 Santa Barbara Coastalestablished
623262 CASanta BarbaraHarbor Entrance2006 18060013 Santa Barbara Coastalestablished
623265 CASanta BarbaraRadon Corner2006 18060013 Santa Barbara Coastalestablished
623335 CASanta BarbaraSanta Barbara Epifaunal 032001 18060013 Santa Barbara Coastalestablished
623384 CASanta BarbaraSanta Barbara Harbor1966 18060013 Santa Barbara Coastalestablished
1877417 CASanta BarbaraSanta Barbara Harbor2008 18060013 Santa Barbara Coastal 
273595 CASanta BarbaraSanta Barbara Harbor, west side nearest entrance, pleasure boat dock floats.1997 18060013 Santa Barbara Coastalestablished
623242 CASanta BarbaraSB Yacht Harbor2006 18060013 Santa Barbara Coastalestablished

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.

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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].

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