Specimen Information

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

Specimen ID252625
GroupTunicates
GenusDidemnum
Speciesvexillum
Common Namea colonial sea squirt
StateME
CountyLincoln
LocalityDamariscotta River at Wentworth Point in Walpole
Mapping AccuracyAccurate
HUC8 NameSt. George-Sheepscot
HUC8 Number01050003
HUC10 NameJohns Bay-Boothbay Harbor
HUC10 Number0105000303
HUC12 NameDamariscotta River
HUC12 Number010500030304
Map
Collection Day29
Collection Month9
Collection Year2006
Year AccuracyActual
Potential Pathwayunknown
Statusestablished
Reference 1
Ref. Number:24162
Author:USGS - Woods Hole Science Center.
Date:2008
Title:Marine Nuisance Species, Didemnum, a colonial tunicate; ascidian; sea squirt - New England Coast Location Table.
Comments1 ft depth; on fouling panel
Record TypeLiterature
Freshwater/MarineMarine


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Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/17/2025].

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