NAS - Nonindigenous Aquatic Species
USGS - Woods Hole Science Center. 2008. Marine Nuisance Species, Didemnum, a colonial tunicate; ascidian; sea squirt - New England Coast Location Table. http://woodshole.er.usgs.gov/project-pages/stellwagen/didemnum/htm/page4.htm. Accessed 6/12/2008.
Reference Number: 24162 Type: Web Page Author: USGS - Woods Hole Science Center. Date (year): 2008 Title:Marine Nuisance Species, Didemnum, a colonial tunicate; ascidian; sea squirt - New England Coast Location Table. URL: http://woodshole.er.usgs.gov/project-pages/stellwagen/didemnum/htm/page4.htm. Accessed 6/12/2008. Accessed on: Created on: Keywords:
Didemnum vexillum MA - Cape Cod Bay near Sandwich, at entrance of Cape Cod Canal MA - Cape Cod Bay near Sandwich, at entrance of Cape Cod Canal MA - Atlantic Ocean, Chatham Harbor in Chatham MA - Atlantic Ocean, Cape Cod Bay, Mcmillan Wharf in Provincetown Harbor MA - Atlantic Ocean, Little Harbor, Vineyard Sound, Eel Pond area in Woods Hole MA - Atlantic Ocean, Nantucket Sound, Vineyard Haven Harbor on Marthas Vineyard MA - Atlantic Ocean, Nantucket Sound at Oak Bluffs Harbor on Marthas Vineyard RI - Narragansett Bay on dock at the U of RI Graduate School of Oceanography ME - Fort Island Narrows [Damariscotta River just E of Boothbay] NH - Piscataqua River near Newington ME - Atlantic Ocean, Gulf of Maine, off the Damariscotta River at Thrumcap Island ME - Atlantic Ocean, Gulf of Maine, off the Damariscotta River at Thrumcap Island MA - Town Cove in Orleans MA - West Falmouth Harbor [Buzzards Bay, Atlantic Ocean] NH - Portsmouth Harbor at Fort Point in New Castle MA - Atlantic Ocean, Great Harbor, Iselin Dock in Woods Hole MA - Atlantic Ocean, Great Harbor, Iselin Dock in Woods Hole MA - Atlantic Ocean, Great Harbor, Iselin Dock in Woods Hole MA - Pleasant Bay in Chatham ME - Cobscook Bay, [north of] Eastport ME - Cobscook Bay, [north of] Eastport ME - Cobscook Bay, [north of] Eastport RI - Newport Bay at Beavertail Point, Conanicut Island MA - Cotuit Bay in Cotuit MA - West Bay at Osterville Grand Island MA - North Bay at Osterville Grand Island MA - Wellfleet Harbor, Cape Cod Bay MA - Stage Harbor in Chatham ME - Hockomack Channel next to Bremen Long Island ME - Damariscotta River at Wentworth Point in Walpole ME - Cobscook Bay near Eastport ME - Cobscook Bay near Eastport MA - Boston Harbor [Massachusetts Bay, Atlantic Ocean] in Winthrop MA - Sandy Bay [Atlantic Ocean] in Rockport RI - Naragansett Bay at Fort Wetherill in Jamestown MA - Cape Cod Bay at Sandwich town beach ME - Cobscook Bay (Estes Head) in Eastport NH - Little Harbor (SW shore of New Castle Island) in Portsmouth NY - Shinnecock Bay, Long Island, at a dock attached to Old Ponquogue Bridge
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Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/2/2026].
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