Botrylloides violaceus
Botrylloides violaceus
(an orange sheath tunicate)
Tunicates
Exotic
Collection Info
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15 results for Botrylloides violaceus (an orange sheath tunicate)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
623383 CAMarinLawson's Landing2006 18050005 Tomales-Drake Baysestablished
623419 CAMarinTomales Bay Boat Launch2006 18050005 Tomales-Drake Baysestablished
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
623418 CAMarinTony's Place2006 18050005 Tomales-Drake Baysestablished
623358 CASonomaBodega Bay Epifaunal 052000 18050005 Tomales-Drake Baysestablished
623355 CASonomaBodega Bay Epifaunal 062000 18050005 Tomales-Drake Baysestablished
623353 CASonomaBodega Bay Epifaunal 072000 18050005 Tomales-Drake Baysestablished
623354 CASonomaBodega Bay Epifaunal 082000 18050005 Tomales-Drake Baysestablished
623350 CASonomaBodega Bay Epifaunal 092000 18050005 Tomales-Drake Baysestablished
623405 CASonomaMarina Near Chevron Dock2006 18050005 Tomales-Drake Baysestablished
623403 CASonomaNE Corner of Bay2006 18050005 Tomales-Drake Baysestablished
623411 CASonomaSE Side of Bay2006 18050005 Tomales-Drake Baysestablished
623406 CASonomaSlip In A Harbor2006 18050005 Tomales-Drake Baysestablished

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.