Didemnum vexillum
Didemnum vexillum
(a colonial sea squirt)
Tunicates
Exotic
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8 results for Didemnum vexillum (a colonial sea squirt)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
252809 CAMarinTomales Bay (just north of San Francisco)2001 18050005 Tomales-Drake Baysestablished
157378 CAMarinTomales Bay (just north of San Francisco)2003 18050005 Tomales-Drake Baysestablished
623698 CAMarinTony's Place2006 18050005 Tomales-Drake Baysestablished
252808 CASonomaBodega Bay Harbor2000 18050005 Tomales-Drake Baysestablished
160964 CASonomaBodega Bay Harbor2003 18050005 Tomales-Drake Baysestablished
623691 CASonomaNE Corner of Bay2006 18050005 Tomales-Drake Baysestablished
623695 CASonomaSE Side of Bay2006 18050005 Tomales-Drake Baysestablished
623693 CASonomaSlip In A Harbor2006 18050005 Tomales-Drake Baysestablished

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.

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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].

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