Botrylloides violaceus
Botrylloides violaceus
(an orange sheath tunicate)
Tunicates
Exotic
Collection Info
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Species Profile
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24 results for Botrylloides violaceus (an orange sheath tunicate)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
623339 CALos AngelesAvalon Harbor Epifaunal 032001 18070107 San Pedro Channel Islandsestablished
623338 CALos AngelesLong Beach Epifaunal 022001 18070106 San Gabrielestablished
623343 CALos AngelesLong Beach Epifaunal 032001 18070106 San Gabrielestablished
623359 CALos AngelesLong Beach Epifaunal 042001 18070106 San Gabrielestablished
623360 CALos AngelesLong Beach Epifaunal 052001 18070106 San Gabrielestablished
623345 CALos AngelesLong Beach Epifaunal 062001 18070106 San Gabrielestablished
623376 CALos AngelesLos Angeles Epifaunal 052001 18070106 San Gabrielestablished
623311 CALos AngelesMarina Del Rey Epifaunal 042001 18070104 Santa Monica Bayestablished
623348 CAMarinTomales Bay Epifaunal 012001 18050005 Tomales-Drake Baysestablished
623312 CAMarinTomales Bay Epifaunal 022001 18050005 Tomales-Drake Baysestablished
623313 CAMarinTomales Bay Epifaunal 042001 18050005 Tomales-Drake Baysestablished
623340 CAOrangeDana Point Epifaunal 042001 18070301 Aliso-San Onofreestablished
623351 CAOrangeHuntington Harbour Epifaunal 022001 18070201 Seal Beachestablished
623352 CAOrangeHuntington Harbour Epifaunal 032001 18070201 Seal Beachestablished
623361 CAOrangeHuntington Harbour Epifaunal 042001 18070201 Seal Beachestablished
623344 CASan DiegoAmerica's Cup Harbor2001 18070304 San Diegoestablished
623342 CASan DiegoOceanside Epifaunal 022001 18070303 San Luis Rey-Escondidoestablished
623301 CASan DiegoShelter Island Marina2001 18070304 San Diegoestablished
623335 CASanta BarbaraSanta Barbara Epifaunal 032001 18060013 Santa Barbara Coastalestablished
623307 CAVenturaChannel Islands Harbor Epifaunal 022001 18070103 Calleguasestablished
623308 CAVenturaChannel Islands Harbor Epifaunal 032001 18070103 Calleguasestablished
162404 CTNew HavenLong Island Sound drainage2001 02030203 Long Island Soundestablished
162405 ME coastal areas of Maine2001 32504000 Gulf of Maine/Bay of Fundyestablished
162403 NYSuffolkLong Island Sound2001 02030203 Long Island Soundestablished

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 [4/19/2026].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.