Botrylloides violaceus
Botrylloides violaceus
(an orange sheath tunicate)
Tunicates
Exotic
Collection Info
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18 results for Botrylloides violaceus (an orange sheath tunicate)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
623331 CAVenturaAnacapa Isle Marina2000 18070103 Calleguasestablished
623307 CAVenturaChannel Islands Harbor Epifaunal 022001 18070103 Calleguasestablished
623308 CAVenturaChannel Islands Harbor Epifaunal 032001 18070103 Calleguasestablished
623259 CAVenturaCIYC Guest Slip2006 18070103 Calleguasestablished
623257 CAVenturaCommercial Fishing Dock2006 18070103 Calleguasestablished
623256 CAVenturaCommercial Fishing Fleet Dock2006 18070103 Calleguasestablished
623263 CAVenturaFancy Slip2006 18070103 Calleguasestablished
623333 CAVenturaJack's Landing2000 18070103 Calleguasestablished
273594 CAVenturaPort Hueneme (Channel Islands Harbor) Anacapa Island Marina.1996 18070103 Calleguasestablished
273601 CAVenturaPort Hueneme (Channel Islands Harbor) Anacapa Island Marina.2000 18070103 Calleguasestablished
273593 CAVenturaPort Hueneme (Channel Islands Harbor) Jack's Landing, near entrance.1996 18070103 Calleguasestablished
273617 CAVenturaPort Hueneme (Channel Islands Harbor) Jack's Landing, near entrance.2000 18070103 Calleguasestablished
623309 CAVenturaPort Hueneme Epifaunal 022000 18070103 Calleguasestablished
623310 CAVenturaPort Hueneme Epifaunal 042000 18070103 Calleguasestablished
623374 CAVenturaPort Hueneme Sportfishing2000 18070103 Calleguasestablished
623266 CAVenturaPrivate Dock2006 18070103 Calleguasestablished
623243 CAVenturaWharf 42006 18070103 Calleguasestablished
623241 CAVenturaWharf 52006 18070103 Calleguasestablished

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