Botrylloides violaceus
Botrylloides violaceus
(an orange sheath tunicate)
Tunicates
Exotic
Collection Info
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Species Profile
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335 results for Botrylloides violaceus (an orange sheath tunicate)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
162399 AKValdez-CordovaPrince William Sound2000 19020203 Prince William Soundestablished
162397 CA San Francisco Bay drainage2000 18050004 San Francisco Bayestablished
623245 CAAlamedaBallena Bay2005 18050004 San Francisco Bayestablished
623430 CAAlamedaBallena Bay2010 18050004 San Francisco Bayestablished
623435 CAAlamedaBerkeley Flats/Berkeley Pier2010 18050002 San Pablo Bayestablished
623275 CAAlamedaBerkeley Marina2005 18050002 San Pablo Bayestablished
623434 CAAlamedaBerkeley Marina2010 18050002 San Pablo Bayestablished
623251 CAAlamedaCoast Guard Island2005 18050004 San Francisco Bayestablished
623388 CAAlamedaCoast Guard Island2010 18050004 San Francisco Bayestablished
623327 CAAlamedaCoast Guard Island Marina, San Francisco Bay2004 18050004 San Francisco Bayestablished
623349 CAAlamedaFruitvale Bridge, San Francisco Bay2004 18050004 San Francisco Bayestablished
623255 CAAlamedaOakland Inner Harbor - Shipping cranes2005 18050004 San Francisco Bayestablished
623314 CAAlamedaOakland Inner Harbor - Shipping cranes2010 18050004 San Francisco Bayestablished
623253 CAAlamedaOakland Inner Harbor - Small marinas2005 18050004 San Francisco Bayestablished
623289 CAAlamedaOakland Outer Harbor2005 18050002 San Pablo Bayestablished
623254 CAAlamedaPort of Oakland Office2005 18050004 San Francisco Bayestablished
623316 CAAlamedaPort of Oakland Office2010 18050004 San Francisco Bayestablished
623298 CAAlamedaSan Leandro Marina, San Francisco Bay2004 18050004 San Francisco Bayestablished
623286 CAAlamedaSea Plane Lagoon2005 18050004 San Francisco Bayestablished
623274 CAContra CostaChevron Pier2005 18050002 San Pablo Bayestablished
623433 CAContra CostaChevron Pier2010 18050002 San Pablo Bayestablished
623391 CAContra CostaMartinez Marina2010 18050001 Suisun 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
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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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/5/2025].

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.