Botrylloides violaceus
Botrylloides violaceus
(an orange sheath tunicate)
Tunicates
Exotic
Collection Info
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Species Profile
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44 results for Botrylloides violaceus (an orange sheath tunicate)
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Click here for listing in all states

Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
623435 CAAlamedaBerkeley Flats/Berkeley Pier2010 18050002 San Pablo Bayestablished
623275 CAAlamedaBerkeley Marina2005 18050002 San Pablo Bayestablished
623434 CAAlamedaBerkeley Marina2010 18050002 San Pablo Bayestablished
623289 CAAlamedaOakland Outer Harbor2005 18050002 San Pablo Bayestablished
623274 CAContra CostaChevron Pier2005 18050002 San Pablo Bayestablished
623433 CAContra CostaChevron Pier2010 18050002 San Pablo Bayestablished
623279 CAContra CostaPoint Richmond Piers2005 18050002 San Pablo Bayestablished
623315 CAContra CostaPoint Richmond Piers2010 18050002 San Pablo Bayestablished
623396 CAContra CostaPoint San Pablo Yacht Harbor2010 18050002 San Pablo Bayestablished
623270 CAContra CostaRichmond Marina2005 18050002 San Pablo Bayestablished
623305 CAContra CostaRichmond Marina2005 18050002 San Pablo Bayestablished
623347 CAContra CostaRichmond Marina Boat Ramp, San Francisco Bay2004 18050002 San Pablo Bayestablished
623272 CAContra CostaSanta Fe Channel - Back2005 18050002 San Pablo Bayestablished
623317 CAContra CostaSanta Fe Channel - Back2010 18050002 San Pablo Bayestablished
623287 CAContra CostaSanta Fe Channel - Front2005 18050002 San Pablo Bayestablished
623320 CAContra CostaSanta Fe Channel - Front2010 18050002 San Pablo Bayestablished
623246 CAMarinAyala Cove2005 18050002 San Pablo Bayestablished
623293 CAMarinAyala Cove2005 18050002 San Pablo Bayestablished
623378 CAMarinAyala Cove2010 18050002 San Pablo Bayestablished
623379 CAMarinAyala Cove2010 18050002 San Pablo Bayestablished
623252 CAMarinCorinthian Marina2005 18050002 San Pablo Bayestablished
623390 CAMarinCorinthian Marina2010 18050002 San Pablo Bayestablished
623290 CAMarinLoch Lomond Marina Area2005 18050002 San Pablo Bayestablished
623392 CAMarinLoch Lomond Marina Area2010 18050002 San Pablo Bayestablished
623395 CAMarinParadise Cay2010 18050002 San Pablo Bayestablished
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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.