Botrylloides violaceus
Botrylloides violaceus
(an orange sheath tunicate)
Tunicates
Exotic
Collection Info
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6 results for Botrylloides violaceus (an orange sheath tunicate)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1886095 VAAccomackCurtis Merritt Harbor, Chincoteague Inlet2023 02040303 Chincoteague 
253003 VAHamptonHarris River at Belle Isle Marina [trib of Back River, Chesapeake Bay in Hampton]2000 02080108 Lynnhaven-Poquosonestablished
238936 VANorfolkLittle Creek in Norfolk2000 02080108 Lynnhaven-Poquosonestablished
238935 VANorthamptonChesapeake Bay at Kiptopeke [tip of Delmarva Peninsula]2000 02080111 Pokomoke-Western Lower Delmarvaestablished
252880 VAYorklower Chesapeake Bay at Poquoson2000 02080101 Lower Chesapeake Bayestablished
238938 VAYorkYork River at Yorktown (Amoco Refinery)2000 02080107 Yorkestablished

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 [1/22/2026].

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