Didemnum vexillum
Didemnum vexillum
(a colonial sea squirt)
Tunicates
Exotic
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4 results for Didemnum vexillum (a colonial sea squirt)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
252633 RINewportNaragansett Bay at Fort Wetherill in Jamestown2000 01090004 Narragansettestablished
252612 RINewportNewport Bay at Beavertail Point, Conanicut Island2005 01090004 Narragansettestablished
252581 RIWashingtonNarragansett Bay on dock at the U of RI Graduate School of Oceanography2002 01090004 Narragansettestablished
1702053 RIWashingtonPoint Judith Marina, Wakefield, Rhode Island2019 01090006 Point Judith-Block Island 

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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