Botrylloides violaceus
Botrylloides violaceus
(an orange sheath tunicate)
Tunicates
Exotic
Collection Info
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Species Profile
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42 results for Botrylloides violaceus (an orange sheath tunicate)
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Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
623430 CAAlamedaBallena Bay2010 18050004 San Francisco Bayestablished
623435 CAAlamedaBerkeley Flats/Berkeley Pier2010 18050002 San Pablo Bayestablished
623434 CAAlamedaBerkeley Marina2010 18050002 San Pablo Bayestablished
623388 CAAlamedaCoast Guard Island2010 18050004 San Francisco Bayestablished
623314 CAAlamedaOakland Inner Harbor - Shipping cranes2010 18050004 San Francisco Bayestablished
623316 CAAlamedaPort of Oakland Office2010 18050004 San Francisco Bayestablished
623433 CAContra CostaChevron Pier2010 18050002 San Pablo Bayestablished
623391 CAContra CostaMartinez Marina2010 18050001 Suisun Bayestablished
623315 CAContra CostaPoint Richmond Piers2010 18050002 San Pablo Bayestablished
623396 CAContra CostaPoint San Pablo Yacht Harbor2010 18050002 San Pablo Bayestablished
623317 CAContra CostaSanta Fe Channel - Back2010 18050002 San Pablo Bayestablished
623320 CAContra CostaSanta Fe Channel - Front2010 18050002 San Pablo Bayestablished
623378 CAMarinAyala Cove2010 18050002 San Pablo Bayestablished
623379 CAMarinAyala Cove2010 18050002 San Pablo Bayestablished
623390 CAMarinCorinthian Marina2010 18050002 San Pablo Bayestablished
623392 CAMarinLoch Lomond Marina Area2010 18050002 San Pablo Bayestablished
623395 CAMarinParadise Cay2010 18050002 San Pablo Bayestablished
623399 CAMarinRichardson Bay2010 18050002 San Pablo Bayestablished
623394 CASan FranciscoCruise Ship Pier2010 18050002 San Pablo Bayestablished
623393 CASan FranciscoFerry Terminal Pier2010 18050002 San Pablo Bayestablished
623397 CASan FranciscoPier 452010 18050002 San Pablo Bayestablished
623398 CASan FranciscoPotrero Point2010 18050004 San Francisco Bayestablished
623400 CASan FranciscoSaint Francis Yacht Harbor2010 18050002 San Pablo Bayestablished
623318 CASan FranciscoTreasure Island2010 18050002 San Pablo Bayestablished
623387 CASan MateoCoyote Point2010 18050004 San Francisco 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 [4/17/2026].

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.