Specimen Information

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

Specimen ID252624
GroupTunicates
GenusDidemnum
Speciesvexillum
Common Namea colonial sea squirt
StateME
CountyLincoln
LocalityHockomack Channel next to Bremen Long Island
Mapping AccuracyAccurate
HUC8 NameSt. George-Sheepscot
HUC8 Number01050003
HUC10 NameMuscongus Bay
HUC10 Number0105000302
HUC12 NameMuscongus Bay-Atlantic Ocean
HUC12 Number010500030206
Map
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.
CommentsIntertidal; on vertical rock surfaces
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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