Didemnum vexillum
Didemnum vexillum
(a colonial sea squirt)
Tunicates
Exotic
Collection Info
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25 results for Didemnum vexillum (a colonial sea squirt)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
623665 CAAlamedaBerkeley Marina2005 18050002 San Pablo Bayestablished
623703 CAContra CostaChevron Pier2010 18050002 San Pablo Bayestablished
623667 CAContra CostaPoint Richmond Piers2005 18050002 San Pablo Bayestablished
623661 CAContra CostaRichmond Marina2005 18050002 San Pablo Bayestablished
623670 CAContra CostaSanta Fe Channel - Front2005 18050002 San Pablo Bayestablished
623677 CAMarinAyala Cove2010 18050002 San Pablo Bayestablished
623653 CAMarinCorinthian Marina2005 18050002 San Pablo Bayestablished
623689 CAMarinCorinthian Marina2010 18050002 San Pablo Bayestablished
623668 CAMarinParadise Cay2005 18050002 San Pablo Bayestablished
623685 CAMarinParadise Cay2010 18050002 San Pablo Bayestablished
623669 CAMarinRichardson Bay2005 18050002 San Pablo Bayestablished
623683 CAMarinRichardson Bay2010 18050002 San Pablo Bayestablished
160963 CAMarinSausalito, dock at a marina2003 18050002 San Pablo Bayestablished
623672 CASan FranciscoCruise Ship Pier2005 18050002 San Pablo Bayestablished
623688 CASan FranciscoCruise Ship Pier2010 18050002 San Pablo Bayestablished
623660 CASan FranciscoFerry Terminal Pier2005 18050002 San Pablo Bayestablished
623687 CASan FranciscoFerry Terminal Pier2010 18050002 San Pablo Bayestablished
623652 CASan FranciscoPier 392005 18050002 San Pablo Bayestablished
623651 CASan FranciscoPier 452005 18050002 San Pablo Bayestablished
623684 CASan FranciscoPier 452010 18050002 San Pablo Bayestablished
623664 CASan FranciscoSaint Francis Yacht Harbor2005 18050002 San Pablo Bayestablished
623681 CASan FranciscoSaint Francis Yacht Harbor2010 18050002 San Pablo Bayestablished
623676 CASan FranciscoSan Francisco Bay1993 18050002 San Pablo Bayestablished
623663 CASan FranciscoTreasure Island2005 18050002 San Pablo Bayestablished
623675 CASan FranciscoTreasure Island2010 18050002 San Pablo Bayestablished

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 [2/2/2026].

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.