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

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

Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
162397 CA San Francisco Bay drainage2000 18050004 San Francisco Bayestablished
623245 CAAlamedaBallena Bay2005 18050004 San Francisco Bayestablished
623430 CAAlamedaBallena Bay2010 18050004 San Francisco 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
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
623273 CASan FranciscoCentral Basin2005 18050004 San Francisco Bayestablished
623302 CASan FranciscoChina Basin2005 18050004 San Francisco Bayestablished
623244 CASan FranciscoPotrero Point2005 18050004 San Francisco Bayestablished
623398 CASan FranciscoPotrero Point2010 18050004 San Francisco Bayestablished
623299 CASan MateoBrisbane Lagoon, San Francisco Bay2004 18050004 San Francisco Bayestablished
623304 CASan MateoCoyote Point2005 18050004 San Francisco Bayestablished
623387 CASan MateoCoyote Point2010 18050004 San Francisco Bayestablished
623306 CASan MateoCoyote Point Marina2005 18050004 San Francisco Bayestablished
623389 CASan MateoCoyote Point Marina2010 18050004 San Francisco Bayestablished
623329 CASan MateoCoyote Point Marina, San Francisco Bay2004 18050004 San Francisco Bayestablished
623328 CASan MateoPete's Harbor, San Francisco Bay2004 18050004 San Francisco Bayestablished
Page:12

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.