Ciona savignyi
(Pacific transparent sea squirt)
Tunicates
Exotic
Collection Info
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Species Profile
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203 results for Ciona savignyi (Pacific transparent sea squirt)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
160127 CA San Francisco Bay drainage2000 18050004 San Francisco Bayestablished
116019 CA San Francisco Bay1993 18050004 San Francisco Bayestablished
622418 CAAlamedaBallena Bay2005 18050004 San Francisco Bayestablished
622538 CAAlamedaBallena Bay2010 18050004 San Francisco Bayestablished
622541 CAAlamedaBerkeley Flats/Berkeley Pier2010 18050002 San Pablo Bayestablished
622425 CAAlamedaBerkeley Marina2005 18050002 San Pablo Bayestablished
622540 CAAlamedaBerkeley Marina2010 18050002 San Pablo Bayestablished
622411 CAAlamedaCoast Guard Island2005 18050004 San Francisco Bayestablished
622542 CAAlamedaCoast Guard Island2010 18050004 San Francisco Bayestablished
622489 CAAlamedaCoast Guard Island Marina, San Francisco Bay2004 18050004 San Francisco Bayestablished
622549 CAAlamedaDumbarton Bridge2010 18050004 San Francisco Bayestablished
622415 CAAlamedaOakland Inner Harbor - Shipping cranes2005 18050004 San Francisco Bayestablished
622461 CAAlamedaOakland Inner Harbor - Shipping cranes2010 18050004 San Francisco Bayestablished
622417 CAAlamedaOakland Inner Harbor - Small marinas2005 18050004 San Francisco Bayestablished
622441 CAAlamedaOakland Outer Harbor2005 18050002 San Pablo Bayestablished
622416 CAAlamedaPort of Oakland Office2005 18050004 San Francisco Bayestablished
622460 CAAlamedaPort of Oakland Office2010 18050004 San Francisco Bayestablished
622438 CAAlamedaSea Plane Lagoon2005 18050004 San Francisco Bayestablished
622428 CAContra CostaChevron Pier2005 18050002 San Pablo Bayestablished
622423 CAContra CostaPoint Richmond Piers2005 18050002 San Pablo Bayestablished
622544 CAContra CostaPoint San Pablo Yacht Harbor2010 18050002 San Pablo Bayestablished
622420 CAContra CostaRichmond Marina2005 18050002 San Pablo Bayestablished
622422 CAContra CostaSanta Fe Channel - Back2005 18050002 San Pablo Bayestablished
622462 CAContra CostaSanta Fe Channel - Back2010 18050002 San Pablo Bayestablished
622439 CAContra CostaSanta Fe Channel - Front2005 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.