Specimen Information

Didemnum vexillum
Didemnum vexillum
(a colonial sea squirt)
Tunicates
Exotic

Specimen ID252803
GroupTunicates
GenusDidemnum
Speciesvexillum
Common Namea colonial sea squirt
StateCA
CountyHumboldt
LocalityHumboldt Bay (near Eureka, CA)
Mapping AccuracyAccurate
HUC8 NameMad-Redwood
HUC8 Number18010102
HUC10 NameHumboldt Bay-Frontal Pacific Ocean
HUC10 Number1801010206
HUC12 NameHumboldt Bay
HUC12 Number180101020605
Map
Collection Year2001
Year AccuracyActual
Potential Pathwayunknown
Statusestablished
Reference 1
Ref. Number:24102
Author:Cohen, A.N.
Date:2011
Title:The Exotics Guide: Non-native Marine Species of the North American Pacific Coast.
Publisher:Center for Research on Aquatic Bioinvasions
CommentsCoordinates are approximate.
Record TypeLiterature
Freshwater/MarineMarine


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Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/5/2025].

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