Specimen Information

Ciona savignyi
(Pacific transparent sea squirt)
Tunicates
Exotic

Specimen ID273251
GroupTunicates
GenusCiona
Speciessavignyi
Common NamePacific transparent sea squirt
StateCA
CountyVentura
LocalityVentura Harbor, Pierpont Bay Yacht Club dock.
Mapping AccuracyAccurate
HUC8 NameSanta Clara
HUC8 Number18070102
HUC10 NameLower Santa Clara River
HUC10 Number1807010209
HUC12 NameHarmon Canyon-Santa Clara River
HUC12 Number180701020904
Map
Collection Day10
Collection Month11
Collection Year1996
Year AccuracyActual
Potential Pathwayshipping hull fouling
Statusestablished
Reference 1
Ref. Number:19570
Author:Lambert, C.C., and G. Lambert
Date:2003
Title:Persistence and differential distribution of nonindigenous ascidians in harbors of the Southern California Bight.
Journal:Marine Ecology Progress Series
Volume:259
Pages:145-161
Reference 2
Ref. Number:19569
Author:Lambert, C.C., and G. Lambert
Date:1998
Title:Non-indigenous ascidians in southern California harbors and marinas.
Journal:Marine Biology
Volume:130
Pages:675-688
CommentsCommon
Record TypeLiterature
Freshwater/MarineMarine
Number Collected~1/m2


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Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/17/2025].

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