Botrylloides violaceus
Botrylloides violaceus
(an orange sheath tunicate)
Tunicates
Exotic
Collection Info
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11 results for Botrylloides violaceus (an orange sheath tunicate)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
116008 MA Atlantic Ocean, coastal areas of MA1988 32504000 Gulf of Maine/Bay of Fundyestablished
116005 MABarnstableAtlantic Ocean at Wood's Hole, MA1972 01090002 Cape Codestablished
155550 MABarnstableBuzzards Bay [RI Sound], West Falmouth Harbor1998 01090002 Cape Codestablished
155540 MABarnstableCape Cod Bay, Barnstable Harbor1998 01090002 Cape Codestablished
155539 MABarnstableCape Cod Bay, near Sagamore harbor1998 01090002 Cape Codestablished
155544 MABarnstablePleasant Bay, Chatham Harbor1998 01090002 Cape Codestablished
155545 MABarnstableVineyard Sound, Hyannis Harbor1998 01090002 Cape Codestablished
155546 MABarnstableVineyard Sound, Woods Hole Harbor1998 01090002 Cape Codestablished
155551 MABristolBuzzards Bay [RI Sound], Westport Harbor1998 01090002 Cape Codestablished
155538 MAPlymouthCape Cod Bay, Manomet Point1998 01090002 Cape Codestablished
155537 MAPlymouthCape Cod Bay, Plymouth Harbor1998 01090002 Cape Codestablished

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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