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Go to Homepage, Worldwide Occurrences to download the .kmz file (DIDEMNUM VEXILLUM, USGS), and open it in Google Earth to see locations of worldwide occurences.

Worldwide Locations

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Row no. Map location no. Location name (station no.) Location abbrev. (2nd part of image filename) Region Country Lat Lon Water depth, m Water temp, deg C Substrate type Comment
1 1 Sandwich tide pool STP Cape Cod Bay, Sandwich, MA USA 41 deg 46.357 min N 70 deg 29.365 min W intertidal, 11 ft (3.4 m) range   boulder Growing on rock surface in Sandwich tide pool, located just south of the east entrance of the Cape Cod Canal at Sandwich Town Beach. Photographed June, 2003. Identified by M. Carman.
2 1 Sandwich tide pool STP Cape Cod Bay, Sandwich, MA USA 41 deg 46.357 min N 70 deg 29.365 min W intertidal, 11 ft (3.4 m) range   pebbles, cobbles, boulders, coarse sand, sponges, algae Growing on sand, gravel, sponges, and algae in Sandwich tide pool, located just south of the east entrance of the Cape Cod Canal at Sandwich Town Beach. Photographed Dec. 4, 2003. Identified by P. Valentine and M. Carman.
3 1 Sandwich tide pool STP Cape Cod Bay, Sandwich, MA USA 41 deg 46.357 min N 70 deg 29.365 min W intertidal, 11 ft (3.4 m) range 1 boulder Growing on rock surfaces in Sandwich tide pool, located just south of the east entrance of the Cape Cod Canal at Sandwich Town Beach. Photographed Feb. 3, 2004. Identified by P. Valentine and M. Carman.
4 1 Sandwich tide pool STP Cape Cod Bay, Sandwich, MA USA 41 deg 46.357 min N 70 deg 29.365 min W intertidal, 11 ft (3.4 m) range   pebbles, cobbles, boulders, sponge, algae Growing on rock surfaces sponges and algae in Sandwich tide pool, located just south of the east entrance of the Cape Cod Canal at Sandwich Town Beach. Photographed July 26, 2011. Identified by K. Holzer.
5 2 Georges Bank 1 (311020) GB1 Georges Bank, NW Atlantic USA 41 deg 57.148 min N 67 deg 30.891 min W 47   pebble gravel Growing on pebble gravel. Northern Edge of Georges Bank, in an area open to fishing; U.S. waters. Photographed Nov. 1, 2003. Identified by P. Valentine.
6 3 Georges Bank 2 (311021) GB2 Georges Bank, NW Atlantic USA 41 deg 58.474 min N 67 deg 30.969 min W 41   pebble gravel Growing on pebble gravel. Northern Edge of Georges Bank, in an area open to fishing; U.S. waters. Photographed Nov. 1, 2003. Identified by P. Valentine.
7 4 Georges Bank 3 (311022) GB3 Georges Bank, NW Atlantic USA 41 deg 58.179 min N 67 deg 31.848 min W 43   pebble gravel Growing on pebble gravel. Northern Edge of Georges Bank, in an area open to fishing; U.S. waters. Photographed Nov. 1, 2003. Identified by P. Valentine.
8 5 Georges Bank 4 (311023) GB4 Georges Bank, NW Atlantic USA 42 deg 00.109 min N 67 deg 32.449 min W 41   pebble gravel Growing on pebble gravel. Northern Edge of Georges Bank, in an area open to fishing; U.S. waters. Photographed Nov. 1, 2003. Identified by P. Valentine.
9 6 Georges Bank 5 (311024) GB5 Georges Bank, NW Atlantic USA 41 deg 57.439 min N 67 deg 31.160 min W 45   pebble gravel Growing on pebble gravel. Northern Edge of Georges Bank, in an area open to fishing; U.S. waters. Beam trawl sample. Photographed Nov. 1, 2003. Identified by P. Valentine.
10 7 Georges Bank 6 (311032) GB6 Georges Bank, NW Atlantic USA 41 deg 57.190 min N 67 deg 31.080 min W 47   pebble gravel Growing on pebble gravel. Northern Edge of Georges Bank, in an area open to fishing; U.S. waters. Naturalists dredge sample. Photographed Nov. 1, 2003. Identified by P. Valentine.
11 8 Chatham Harbor CH Chatham, MA USA 41 deg 39.920 min N 69 deg 57.358 min W intertidal   wood pilings, blue mussels Growing on wood pilings and blue mussels at dock in Chatham Harbor, MA. Photographed Aug. 7, 2003. Identified by M. Carman.
12 9 Whangamata Harbour WMH Whangamata, North Island NZL 37 deg 11.99 min S 175 deg 52.73 min E 0-4 9-21 wharf piles, mooring lines, vessel hulls Growing on wharf piles, mooring lines, vessel hulls in Whangamata Harbour. Collected by Brian Coffey. Photographed Oct. 2001. Identified by Patricia Mather (Kott) as D. vexillum.
13 10 Tauranga Harbour TH Tauranga, North Island NZL 37 deg 39.85 min S (approx.) 176 deg 10.64 min E (approx.) 0-10 9-21 wharf piles, mooring lines, vessel hulls Growing on wharf piles, mooring lines, and vessel hulls in Tauranga Harbour. Collected by Brian Coffey; identified by Brian Coffey and Ashley Coutts as D. vexillum. No images from this location shown on website.
14 11 Shakespeare Bay SB Picton, Marlborough Sounds, South Island NZL 41 deg 17.2 min S (approx.) 174 deg 00.4 min E (approx.) 0-16 8-20 wharf piles, mooring lines, vessel hulls, and rocky/cobble seabed Growing on wharf piles, mooring lines, vessel hulls, and rocky/cobble seabed. Collected by Mike Page; identified by Patricia Mather (Kott) as D. vexillum. Prefers artificial structures in shaded areas (e.g. under wharfs, vessels). 2002-2003. For specific dates, see image captions.
15 12 Provincetown Harbor PTH Provincetown, MA USA 42 deg 02.957 min N 70 deg 10.887 min W intertidal   metal pilings, tires, ropes Growing on metal pilings, tires, and ropes. Macmillan Wharf (Provincetown town dock). Photographed Sep. 14, 2003. Identified by M. Carman.
16 13 Picton PIC Picton, Marlborough Sounds, South Island NZL 41 deg 17.07 min S (approx.) 174 deg 00.48 min E (approx.) 1 8-20 vessel hull Growing on vessel hull. Collected and identified by Ashley Coutts as D. vexillum. Photographed May 2003. Colony found on a barge (Waimarie I) that was infected during anchorage next to the barge Steel Mariner between January and March 2001.
17 14a Eel Pond EP Woods Hole, MA USA 41 deg 31.548 min N 70 deg 40.268 min W 0.5-2 Jan 7, 2.2; Jan 15, -2.0 floating docks, ropes Growing on floating docks and ropes at MBL dock in Eel Pond behind Marine Resources Center. Specimens collected at water depths of 0.5 to 2 m. Photographed Jan. 7 and 15, 2004. Identified by P. Valentine and M. Carman.
18 14b Eel Pond 2 EP2 Woods Hole, MA USA 41 deg 31.489 min N 70 deg 40.184 min W 0.5 Jan 7, 2.2; Jan 15, -2.0 floating docks Growing on floating docks in Eel Pond behind Redfield lab. Specimens collected at water depth of 0.5 m. Photographed Jan. 7 and 15, 2004. Identified by P. Valentine and M. Carman.
19 15 Sausalito SAU San Francisco Bay, CA USA 37 deg 51.755 min N (approx.) 122 deg 29.085 min W (approx.)     rope Growing on rope attached to dock at a marina in Sausalito, CA. Photographed May 28, 2003. Identified by G. Lambert.
20 16 Bodega Harbor BH Bodega Bay, CA USA 38 deg 19.937 min N (approx.) 123 deg 03.195 min W (approx.)     floating dock Growing on floating dock, Bodega Harbor, in the town of Bodega Bay, CA. Photographed May 29, 2003. Identified by G Lambert.
21 17 Elkhorn Slough ES Moss Landing, CA USA 36 deg 48.5 min N (approx.) 121 deg 47.2 min W (approx.)       First documented occurrence in California. Collected by Laura Bedinger, April 30, 1998. California Academy of Sciences specimen no. 144184. No image.
22 18 Perros-Guirec PG Brittany FRA 48 deg 48.3 min N (approx.) 03 deg 26.5 min W (approx.)     ropes Growing on ropes at the marina in Perros-Guirec, a small town in Brittany on the English Channel. Photographed Aug. 7, 2002. Identified by Francoise Monniot.
23 19 Vineyard Haven VH Vineyard Haven, MA USA 41 deg 27.347 min N 70 deg 36.034 min W 0.5 0 rubber floats of floating dock Growing on rubber floats of floating dock adjacent to the ferry pier. Photographed Jan. 22, 2004. Identified by P. Valentine and M. Carman.
24 20a Oak Bluffs OB Oak Bluffs, MA USA 41 deg 27.585 min N 70 deg 33.476 min W 1-2 0 rope Growing on rope at the entrance to Oak Bluffs Harbor. Photographed Jan. 22, 2004. Identified by P. Valentine and M. Carman.
25 20b Oak Bluffs 2 OB2 Oak Bluffs, MA USA 41 deg 27.455 min N 70 deg 33.694 min W 1-2 0 steel bulkhead Growing on a steel bulkhead at the head of Oak Bluffs Harbor. Photographed Jan. 22, 2004. Identified by P. Valentine and M. Carman.
26 21 Narragansett Bay NB Narragansett, RI USA 41 deg 29.535 min N 71 deg 25.140 min W intertidal   wood pilings, mussels, rocks Growing on wood pilings, mussels, and rocks beneath and adjacent to the dock at URI Graduate School of Oceanography. Photographed Dec. 1, 2002. Identified by C. Deacutis.
27 21 Narragansett Bay NB Narragansett, RI USA 42 deg 29.535 min N 72 deg 25.140 min W intertidal   wood pilings, mussels, rocks Beneath the dock at URI Graduate School of Oceanography. D. vexillum removed by ice action. Photographed Mar. 5, 2003. Identified by C. Deacutis.
28 22 Fort Island Narrows FIN Fort Island Narrows, Maine USA 43 deg 53.616 min N 69 deg 35.338 min W 12   shell hash, gravel Growing on shell hash and gravel at Fort Island Narrows; in the Damariscotta River between Fort Island and the western river bank. Photographed July 19, 1993. Identified by G. Lambert, Jan. 2004.
29 23a Le Havre LH Le Havre FRA 49 deg 29.37 min N (appox.) 00 deg 07.18 min E (approx.) 3   brick quay, barnacles, mussels, tunicates Growing on brick quay, barnacles, mussels, and tunicates at Pertuis Vauban-Barre, Port of Le Havre. Photographed Dec. 1, 2001. Identified by Francoise Monniot.
30 23b Le Havre 2 LH2 Le Havre FRA 49 deg 29.43 min N (approx.) 00 deg 07.50 min E (approx.) 2   brick quay, barnacles, mussels, tunicates Growing on brick quay, barnacles, mussesls, and tunicates at Bassin Vauban, Port of Le Havre. Photographed Apr. 21, 2002. Identified by Francoise Monniot.
31 24 Den Osse Harbor DO Grevelingen NED 51 deg 44.562 min N 03 deg 53.514 min E 10   boulder Growing on rock surface in Den Osse Harbor, Grevelingen, Zeeland. Photographed Oct. 31, 1999. Identified by Arjan Gittenberger.
32 24 Den Osse Harbor DO Grevelingen NED 51 deg 44.562 min N 03 deg 53.514 min E 10   tunicate Growing on tunicate in Den Osse Harbor, Grevelingen, Zeeland. Photographed Summer 2001. Identified by Arjan Gittenberger.
33 25 Scharendijke Harbor SD Grevelingen NED 51 deg 44.373 min N 03 deg 50.805 min E 6   rock Growing on rock surface in Scharendijke Harbor, Grevelingen, Zeeland. Photographed Spring 1999. Identified by Arjan Gittenberger
34 25 Scharendijke Harbor SD Grevelingen NED 51 deg 44.373 min N 03 deg 50.805 min E 12   red algae, hydroids Growing on red algae and hydroids in Scharendijke Harbor, Grevelingen, Zeeland. Photographed Summer 2003. Identified by Arjan Gittenberger
35 26 Zierikzee ZZ Oosterschelde NED 51 deg 37.728 min N 03 deg 54.903 min E 7-8   tunicates, hydroids Growing on tunicates and hydroids at Zeelandbrug, Zierikzee, Oosterschelde, Zeeland. Photographed July 1, 2000. Identified by Arjan Gittenberger.
36 26 Zierikzee ZZ Oosterschelde NED 51 deg 37.728 min N 03 deg 54.903 min E 8   oyster shell Growing on oyster shell at Zeelandbrug, Zierikzee, Oosterschelde, Zeeland. Photographed Spring 2003. Identified by Arjan Gittenberger.
37 27 Bommenede BE Grevelingen NED 51 deg 42.486 min N 04 deg 00.024 min E 4   algae, tunicates Growing on algae and tunicates at Bommenede, Grevelingen, Zeeland. Photographed Dec. 31, 1999. Identified by Arjan Gittenberger.
38 28 Zoetersbout ZB Oosterschelde NED 51 deg 38.656 min N 04 deg 05.452 min E 9   anemones Growing on anemones at Zoetersbout, Oosterschelde, Zeeland. Photographed Dec. 26, 2000. Identified by Arjan Gittenberger.
39 29 Goes GO Oosterschelde NED 51 deg 32.694 min N 03 deg 55.636 min E 6   oysters Growing on oysters at Goes, Sas van, Oosterschelde, Zeeland. Photographed July 8, 2000. Identified by Arjan Gittenberger.
40 29 Goes GO Oosterschelde NED 51 deg 32.694 min N 03 deg 55.636 min E 7   anemones Growing on anemones at Goes, Sas van, Oosterschelde, Zeeland. Photographed June 2003. Identified by Arjan Gittenberger.
41 30 Zijpe ZI Oosterschelde NED 51 deg 38.560 min N 04 deg 05.969 min E 3   tunicates, mussels Growing on mussels and tunicates at Zijpe mussel farm, Oosterschelde, Zeeland.Photographed Oct. 17, 1999. Identified by Arjan Gittenberger.
42 30 Zijpe ZI Oosterschelde NED 51 deg 38.560 min N 04 deg 05.969 min E 4   tunicates Growing on tunicates at Zijpe mussel farm, Oosterschelde, Zeeland. Photographed Oct. 23, 1999. Identified by Arjan Gittenberger.
43 31 Brouwersdam BD North Sea NED 51 deg 46.45 min N (approx.) 03 deg 51.71 min E (approx.) 5   tunicates, rocks Growing on rocks and tunicates at Brouwersdam, North Sea, Zeeland. Photographed Dec. 23, 2000. Identified by Arjan Gittenberger.
44 32 Ouddorp Inlage OI Grevelingen NED 51 deg 45.75 min N (approx.) 03 deg 52.02 min E (approx.) 8   tunicates Growing on tunicates at Ouddorp Inlage, Grevelingen, Zeeland. Photographed Apr. 7, 2000. Identified by Arjan Gittenberger.
45 33 Zierikzee 2 ZZ2 Oosterschelde NED 51 deg 37.781 min N 03 deg 55.327 min E 4-6   algae, sponges, anemones, oyster Growing on algae, sponges, anemones, and oyster shell at Zierikzee, de Val, Oosterschelde, Zeeland. Photographed June 25, 2000. Identified by Arjan Gittenberger.
46 34 Piscataqua River PR Newington, NH USA 43 deg 06.47 min N (approx.) 70 deg 47.84 min W (approx.) 12-15   rock surface Growing on rock surface in NH part of Piscataqua River bed off Newington, NH. Photographed Oct. 29, 2002. Provisional identification by P. Valentine and M. Carman from photo.
47 35 Thrumcap Island TI Damariscotta River, ME USA 43 deg 49.231 min N 69 deg 33.036 min W 10-15   rock surface Growing on rock surface off Thrumcap Island, at the mouth of the Damariscotta River, ME. Photographed Oct. 7, 2002. Identified by R. Miller.
48 35 Thrumcap Island TI Damariscotta River, ME USA 43 deg 49.231 min N 69 deg 33.036 min W 10-15   rock surface Growing on rock surface off Thrumcap Island, at the mouth of the Damariscotta River, ME. Photographed Aug. 22, 2003. Identified by R. Miller.
49 36 Edmonds Underwater Park EUP Edmonds, WA USA 47 deg 48.83 min N 122 deg 23.00 min W 9-12   sunken wooden boat Growing on a sunken wooded boat in an underwater marine park on the coast of Puget Sound in Edmonds, WA. Photographed Mar. 2004. Identified by G. Lambert
50 37 Shinnecock Bay SKB Ponquogue, L.I., N.Y. USA 40 deg 50.577 min N 72 deg 30.002 min W 0.1   floating dock Growing on floating dock attached to south end of Old Ponquogue Bridge, east of new Ponquogue Bridge, Shinnecock Bay, LI, NY. Photographed Dec. 3, 2004. Identified by P. Valentine.
51 38 Town Cove TC Orleans, MA USA 41 deg 47.515 min N 69 deg 59.033 min W 0.1   floating dock with styrofoam floats Growing on floating dock with styrofoam floats at Nauset Marine, Town Cove, Orleans, MA. Photographed Oct. 26, 2004. Identified by P. Valentine.
52 39 Town Cove 2 TC2 Orleans, MA USA 41 deg 47.692 min N 69 deg 58.920 min W 0.1   floating dock Growing on floating dock at Goose Hummock Shop, Town Cove, Orleans MA. Photographed Oct. 26, 2004. Identified by P. Valentine.
53 40 Town Cove 3 TC3 Orleans, MA USA 41 deg 47.829 min N 69 deg 58.845 min W 0.1   floating dock Growing on floating dock north of Nauset Marine on western shore of Town Cove, Orleans, MA. Photographed Oct. 26, 28, 2004. Identified by P. Valentine.
54 41 Town Cove 4 TC4 Orleans, MA USA 41 deg 48.302 min N 69 deg 58.395 min W 0.1   floating dock Growing on floating dock west of Hopkins Island on western shore of Town Cove, Orleans, MA. Photographed Oct. 26, 2004. Identified by P. Valentine.
55 42 West Falmouth Harbor WFH Falmouth, MA USA 41 deg 36.234 min N 70 deg 38.372 min W 0.3   chain attached to floating dock Growing on chain attached to floating dock at town pier off Nonamesset Rd., Falmouth, MA. Photographed Dec. 9, 2004. Identified by M. Carman.
56 43 Gallagher Cove GC Totten Inlet, WA USA 47 deg 08.914 min N 122 deg 58.548 min W 0.5-1.0   mussels, rope Growing on mussels and rope at Taylor Shellfish Farms, at Gallagher Cove, Totten Inlet, WA. Photographed Nov. 2004. Identified by G. Lambert.
57 44 Des Moines DM Des Moines, WA USA 47 deg 24.070 min N 122 deg 19.883 min W 5   crab cage (plastic-coated wire) Growing on crab cage (plastic-coated wire) at marina in Des Moines, WA. Photographed Nov. 2004. Identified by G. Lambert.
58 44 Des Moines DM Des Moines, WA USA 47 deg 24.070 min N 122 deg 19.883 min W     polychaete worm tubes, dock Growing on polychaete worm tubes on docks at marina in Des Moines, WA. Photographed May 9 and Aug 2, 2006 Identified by G. Lambert.
59 45 Agamemnon Channel AC Nelson Island, BC CAN 49 deg 42 min N (approx.) 124 deg 04 min W (approx) 6-12   rock wall Growing on rock wall in Agamemnon Channel, a fjord that separates the east and west parts of Nelson Island, BC. Photographed Dec. 2004. Identified by G. Lambert.
60 46 Pendrell Sound PS Christy Island, BC CAN 50 deg 17.397 min N 124 deg 43.454 min W 6-15   rock wall Growing on rock wall on south side of Christy Island in Pendrell Sound, a fjord that incises East Redonda Island, BC. Photographed Aug. 10, 2004. Identified by G. Lambert.
61 47 Horseshoe Bay HB Sausalito, CA USA 37 deg 49.961 min N 122 deg 28.465 min W     mussels, bryozoa Growing on mussels and bryozoa in Horseshoe Bay at Presidio Yacht Club dock, Sausalito, CA. Photographed May 25, 2004. Identified by G. Lambert.
62 48 Fisherman's Wharf FW San Francisco Bay, CA USA 37 deg 48.570 min N 122 deg 25.169 min W     rope on floating dock Growing on rope hanging from floating dock at Fisherman's Wharf, San Francisco, CA. Photographed May 23, 2004. Identified by G. Lambert, 2004.
63 49 Woodley Island WI Humboldt Bay, CA USA 40 deg 48.47 min N 124 deg 09.67 min W 1   PVC fouling panels, 4x6 in (10x15 cm) Growing on PVC fouling panels at Woodley Island marina dock, Humboldt Bay, Eureka, CA. Photographed Sep. 2003; Oct. 2004; Jan. and Mar. 2005. Identified by D. Janiak.
64 50 Okeover Inlet OKI Malaspina Peninsula CAN 49 deg 58.8 min N (approx) 124 deg 41.4 min W (approx) subtidal   mussel cages Growing on subtidal mussel cages in Okeover Inlet, Malaspina Peninsula, BC. Photographed 2003. Identified by G. Lambert, 2004.
65 51 Fort Point FP Portsmouth Harbor, New Castle, NH USA 43 deg 04.337 min N 70 deg 42.661 min W 5   ropes hanging from pier Growing on ropes hanging from Coast Guard pier at Fort Point, Portsmouth Harbor, New Castle, NH. Photographed Aug. 2002. Identified by L. Harris.
66 52 Waimahara Wharf WW Shakespeare Bay, Picton, South Island NZL 41 deg 16.596 min S 173 deg 59.956 min E 1-5   metal and concrete wharf pilings Growing on metal and concrete wharf pilings under Waimahara Wharf, Shakespeare Bay, Picton, New Zealand. Photographed Mar 24, 2005. Identified by A. Coutts.
67 53 Great Harbor GH Woods Hole, MA USA 41 deg 31.408 min N 70 deg 40.312 min W 3-10   steel dock pilings Growing on pilings of the Iselin Dock at WHOI in Great Harbor, Woods Hole, MA. Photographed 2002, 2004. Identified by P. Valentine, 2005.
68 53 Great Harbor GH Woods Hole, MA USA 41 deg 31.408 min N 70 deg 40.312 min W 18-20   gravel Growing on seabed near the Iselin Dock at WHOI in Great Harbor, Woods Hole, MA. Photographed Spring 1998. Provisional identification by P. Valentine from photo, 2005.
69 54 Strong Island SI Pleasant Bay, Chatham, MA USA 41 deg 43.25 min N 69 deg 57.76 min W 2-3   rock surface Growing on boulders off the NW part of Strong Island, Pleasant Bay, Chatham, MA. Photographed Sep. 4, 2005. Identified by M. Carman.
70 55 Jedediah Island JI Sabine Channel, Strait of Georgia CAN 49 deg 29.29 min N (approx.) 124 deg 11.94 min W (approx.) 0-1   rock surfaces Growing on vertical rock surfaces along the west side of Jedediah Island, especially in Little Bull Passage, Strait of Georgia, BC. Photographed Sep. 1, 2005. Identified by S. Geerlofs.
71 56 Trevenen Bay TB Malaspina Peninsula, British Columbia CAN 50 deg 01.8 min N (approx.) 124 deg 45.4 min W (approx.) 12-15 12.2 rock surfaces Growing on rock surfaces near C-King Seafood aquaculture site, west side of Trevenen Bay, BC. Photographed Sep. 4, 2005. Identified by G. Lambert.
72 57 Lions Rock LR Okeover Inlet, British Columbia CAN 50 deg 02.2 min N (approx.) 124 deg 44.1 min W (approx.) 10 approx. 12.8 rock surfaces Growing on sloping and vertical rock surfaces at Lions Rock, southwest of Edith Island, Okeover Inlet, B.C. Photographed Sep. 4, 2005. Identified by G. Lambert.
73 58 Brest B Brest FRA 48 deg 23.446 min N (approx.) 04 deg 25.541 min W (approx.) <1   marina floating dock Growing on floating dock at marina, Brest. Photographed Aug. 28, 2005. Identified by G. Lambert.
74 59 Le Havre 3 LH3 Le Havre FRA 49 deg 29.348 min N (approx.) 00 deg 05.593 min E (approx.) <1   floating dock in the port Growing on floating dock, Port of Le Havre. Photographed Aug. 26, 2005. Identified by G. Lambert and G. Breton.
75 60 Cobscook Bay CCB Eastport, ME USA 44 deg 56.104 min N 67 deg 02.829 min W 5-8   rocky seabed Growing on rocky seabed in Cobscook Bay near location of old toll bridge from Eastport (Old Toll Bridge Road) to Perry ME. Photographed Aug. 6, 2005. Identified by L. Harris.
76 60 Cobscook Bay CCB Eastport, ME USA 44 deg 56.104 min N 67 deg 02.829 min W 5-8   rocky seabed Rocky seabed in Cobscook Bay near location of old toll bridge from Eastport (Old Toll Bridge Road) to Perry ME. Photographed Sep. 10, 2006. Identified by L. Harris.
77 60 Cobscook Bay CCB Eastport, ME USA 44 deg 56.104 min N 67 deg 02.829 min W 5-8   rocky seabed Rocky seabed in Cobscook Bay near location of old toll bridge from Eastport (Old Toll Bridge Road) to Perry ME. Photographed Sep. 2007. Identified by L. Harris.
78 61 Beavertail Point BP Conanicut Island, RI USA 41 deg 27.13 min N (approx.) 71 deg 23.74 min W (approx.) intertidal   rock surfaces Growing on intertidal rock surfaces, eastern shore of Beavertail Point, Conanicut Island, RI. Photographed Oct. 4, 2005. Identified by L. Auker.
79 62 Jervis Inlet JRI Jervis Inlet, British Columbia CAN 49 deg 47.25 min N (approx.) 123 deg 56.71 min W (approx.) 6 approx.   rocky seabed Growing on rocky seabed near an unnamed islet east of Captain Island in Jervis Inlet, BC. Photographed Nov. 25, 2005. Identified by G. Lambert.
80 63a Osterville Grand Island OGI Cotuit Bay, MA USA 41 deg 37.20 min N (approx.) 70 deg 25.54 min W (approx.) 0-.25   plywood, styrofoam, tunicates Growing on solitary tunicate Styela clava, and plywood and styrofoam of channel markers in Cotuit Bay, west of Osterville Grand Island, MA. Photographed Nov. 15, 2005. Identified by P. Valentine and M. Carman.
81 63b Osterville Grand Island 2 OGI2 West Bay, MA USA 41 deg 37.01 min N (approx.) 70 deg 24.05 min W (approx.) 0-.25   plywood, styrofoam, tunicates Growing on solitary tunicate Styela clava, and plywood and styrofoam of channel markers in West Bay, east of Osterville Grand Island, MA. Photographed Nov. 15, 2005. Identified by P. Valentine and M. Carman.
82 63c Osterville Grand Island 3 OGI3 North Bay, MA USA 41 deg 37.87 min N (approx.) 70 deg 24.33 min W (approx.) 0-.25   plywood, styrofoam, tunicates Growing over solitary tunicate Styela clava; and plywood and styrofoam of channel markers in North Bay, north of Osterville Grand Island, MA. Photographed Nov. 15, 2005. Identified by P. Valentine and M. Carman.
83 64 Wellfleet Harbor WH Wellfleet, MA USA 41 deg 55.508 min N 70 deg 02.650 min W subtidal   plastic mesh bags, oysters Growing on plastic mesh bags and oysters on subtidal sand flat in Wellfleet Harbor, MA. Photographed Nov. 14, 2005. Identified by P. Valentine and M. Carman.
84 65 Lemmens Inlet LI Meares Island, British Columbia CAN 49 deg 12 min N (approx.) 125 deg 52 min W (approx.)     oyster string Growing on oyster string at oyster farm in Lemmens Inlet, off Maeres Island, B.C. No photo available. Specimen identified by G. Lambert, Nov. 2005.
85 66 Deep Bay DB Baynes Sound, British Columbia CAN 49 deg 27.636 min N 124 deg 44.621 min W     vexar oyster tray Growing on vexar oyster tray at oyster farm in Deep Bay, Baynes Sound, B.C. No photo available. Specimen identified by G. Lambert, Nov. 2005.
86 67 Shakespeare Bay 2 SB2 Picton, Marlborough Sounds, South Island NZL 41 deg 16.104 min S 174 deg 00.125 min E     mussel lines and mussels on seabed Growing on mussel lines and on mussels on seabed; Queen Charlotte College Aquaculture Academy mussel lines, Shakespeare Bay, N.Z. Photographed Jan. 30, 2006. Identified by A. Coutts.
87 67 Shakespeare Bay 2 SB2 Picton, Marlborough Sounds, South Island NZL 41 deg 16.104 min S 174 deg 00.125 min E     mussel floats and lines Growing on mussel floats, lines, and mussels; Queen Charlotte College Aquaculture Academy mussel lines, Shakespeare Bay, N.Z.. Photographed Mar. 22, 2006. Identified by J. Whitehead.
88 67 Shakespeare Bay 2 SB2 Picton, Marlborough Sounds, South Island NZL 41 deg 16.104 min S 174 deg 00.125 min E 1.5-5.5   mussel lines Growing on mussel lines and mussels; Queen Charlotte College Aquaculture Academy mussel lines, Shakespeare Bay, N.Z.. Photographed Mar. 29, 2006. Identified by J. Whitehead.
89 68 Otanerau Bay OTB Arapawa Island, South Island NZL 41 deg 10.23 min S 174 deg 19.10 min E     salmon enclosure nets and mussels Growing on blue mussels and salmon enclosure nets on salmon cages in Otanerau Bay, Arapawa Island, NZ. Photographed February 25, 2006. Identified by A. Coutts.
90 69 Stage Harbor SH Chatham, Cape Cod, MA USA 41 deg 39.90 min N 69 deg 58.48 min W 0.5-2   green and red algae Growing on green and red algae attached to plastic harbor mooring buoy in Stage Harbor, MA. Photographed July 25, 2006. Identified by P. Valentine.
91 70 Georges Bank 7 (608039) GB7 Georges Bank, NW Atlantic USA 41 deg 55.12 min N 67 deg 18.61 min W 48   pebble gravel Growing on pebble gravel. Northern Edge of Georges Bank, in an area closed to fishing; U.S. waters. Photographed Aug. 25, 2006. Identified by P. Valentine.
92 71 Malahide Estuary ME Malahide IRL 53 deg 27.264 min N 06 deg 09.085 min W     mussels, seaweed, boat hulls, pontoons, chains, ropes, buoys Growing on many substrates (mussels, seaweed, boat hulls, pontoons, chains, ropes, buoys) in Malahide marina, Malahide, Ireland. Photographed June 2005; Jan. 2006. Identified by G. Lambert.
93 72 Carlingford Lough CL Carlingford IRL 54 deg 02.535 min N 06 deg 10.995 min W 0.1 and deeper   mussels, pontoons seaweed, sponges, worm tubes Growing on many substrates (mussels, pontoons, seaweed, sponges, worm tubes) in a marina in Carlingford, Ireland. Identified by D. Minchin and E. Sides, 2006.
94 73 Long Island Ledges LIL Bremen, ME USA 43 deg 59.19 min N 69 deg 24.07 min W intertidal during neap tide   vertical rock surface Growing on vertical rock surface in intertidal zone. Photographed Oct. 9, 2006. Identified by P. Valentine.
95 74 Wentworth Point WWP Damariscotta River, Walpole, ME USA 43 deg 56.112 min N 69 deg 34.882 W 1   fouling panel Growing on 20 x 20 cm fouling panel at the dock of the Darling Marine Center. Photographed Sep. 29, 2006. Identified by J. Dijkstra.
96 75 Cobscook Bay 2 CCB2 Eastport, ME USA 44 deg 53.714 min N 67 deg 00.123 min W 0.5-1.5   wood pier and floating dock Growing on wooden pier and floating dock near aquaculture site. Eastport, ME. Photographed Sep. 10, 2006. Identified by L. Harris.
97 75 Cobscook Bay 2 CCB2 Eastport, ME USA 44 deg 53.714 min N 67 deg 00.123 min W     wood pier pilings Growing on wooden pier near aquaculture site. Eastport, ME. Photographed Sep. 2007. Identified by L. Harris.
98 76 Mission Bay MB San Diego, CA USA 32 deg 47.33 min N 117 deg 15.07 min W 0.3   foam dock floats; seaweed Growing on foam dock floats and seaweed at Catamaran Resort Hotel, Mission Bay, CA. Photographed Jan. 2007. Identified by J. Byrnes.
99 77 Boston Harbor BOH Winthrop, MA USA 42 deg 22.05 min N (approx.) 70 deg 59.41 min W (approx.) 1.5-3.0 5 solitary tunicate Growing on Styela clava attached to mussels on seabed in Boston Harbor, MA. Photographed Dec. 8, 2006. Identified by P. Valentine.
100 78 Sandy Bay SAB Rockport, MA USA 42 deg 39.58 min N (approx.) 70 deg 36.13 min W (approx.) <5 14 rocky seabed Growing on rocky seabed of large boulders and cobbles in Sandy Bay, off eastern end of Old Garden Beach, Rockport, MA Photographed June 18, 2006. Identified by P. Valentine.
101 79 Fort Wetherill FTW Narragansett Bay, Jamestown, RI USA 41 deg 28.658 min N (approx.) 71 deg 21.467 min W (approx.) 10-12   rocky seabed Growing on steep rock wall in Narragansett Bay, east of Fort Wetherill, Jamestown, RI. Photographed August 2000. Identified by P. Valentine.
102 80 Sandwich Town Beach STB Cape Cod Bay, Sandwich, MA USA 41 deg 46.11 min N 70 deg 28.95 W 4   gravel seabed Growing on gravel seabed in Cape Cod Bay at Sandwich Town Beach, MA. Photographed Nov. 7, 2006. Identified by P. Valentine.
103 81 Shilshole Bay SHB Seattle, WA USA 47 deg 41.231 min N 122 deg 24.266 min W 3-4   wood pier Growing on wooden pier at Shilshole Bay Marina, Seattle, WA. Photographed Sep. 24, 2006; Mar. 14 and Mar. 23, 2007, January 22, 2010. Identified by Gretchen Lambert.
104 82 Liberty Bay LB Poulsbo, WA USA 47 deg 43.414 min N 122 deg 38.466 min W     polychaete worm tubes, docks Growing on polychaete worm tubes and docks at Liberty Bay Marina on Liberty Bay, Poulsbo, WA. Photographed May 12, 2006. Identified by G. Lambert.
105 83 Eagle Harbor EH Bainbridge Island, WA USA 47 deg 37.274 min N 122 deg 31.272 W     polychaete worm tubes, docks Growing on polychaete worm tubes and docks at Winslow Wharf Marina in Eagle Harbor, WA. Photographed May 12, 2006. Identified by G. Lambert.
106 84 Dabob Bay DAB Quilcene, WA USA 47 deg 49.09 min N 122 deg 49.49 min W     dock Growing on dock at Taylor Shellfish Farms, Dabob Bay, WA. Photographed May 18, 2006. Identified by G. Lambert.
107 85 Estes Head EHD Eastport, ME USA 44 deg 53.62 min N 67 deg 00.01 min W     wood dock pilings Growing on wooden dock pilings at commercial pier at Estes Head, Eastport, ME. Photographed Sep 2007. Identified by L. Harris.
108 86 New Castle Island NCI New Castle, NH USA 43 deg 03.47 min N 70 deg 43.59 min W     mussels, unknown Growing on mussels at Wentworth Marina, in Little Harbor on southwest shore of New Castle Island, NH. Photographed Nov 5, 2007. Identified by L. Harris.
109 87 Mutsu Bay MUB Asamushi JPN 40 deg 53.533 min N (approx.) 140 deg 51.484 min E (approx.)     aquaculture cages Growing on aquaculture cages, Mutsu Bay, Asamushi, Japan. Photographed July 13, 2007. Identified by G. Lambert.
110 88 Sagami Bay SAGB Misaki JPN 35 deg 09.46 min N 139 deg 36.72 min E     unknown Growing on unknown substrate, Sagami Bay, Misaki, Japan. Photographed Aug 16, 2007. Identified by G. Lambert.
111 89 Otsuchi Bay OTSB Otsuchi JPN 39 deg 20.95 min N 141 deg 55.76 min E     aquaculture cages; mooring rope Growing on aquaculture cages and mooring rope in Otsuchi Bay, Otsuchi, Japan. Photographed May 30, Jun 1, 2007. Identified by G. Lambert.
112 90 South Galway Bay SGB Parknahallagh IRL 53 deg 10.80 min N 08 deg 57.10 min W low intertidal   oyster bags on trestle installations Growing on oyster bags on trestles in South Galway Bay, off Parknahallagh, Ireland. Photographed Sep 26, 2007. Identified by J. Nunn.
113 91 Clew Bay CLB Murrisk IRL 53 deg 47.43 min N 09 deg 37.02 min W low intertidal   oyster bags on trestle installations Growing on oyster bags on trestles in Clew Bay, off Murrisk, Ireland. Photographed Nov 9, 2007. Identified by J. Kelly.
114 92 Squirrel Cove SC Cortes Island, BC CAN 50 deg 08.19 min N 124 deg 55.18 min W low tide to 8 m   rocks, seaweed, tunicates Growing on rocks, seaweed, and tunicates on the eastern shore of Squirrel Cove, Cortes Island, BC. Photographed Aug 12, 2008. Identified by G. Lambert.
115 93 South Galway Bay 2 SGB2 Carrowmore IRL 53 deg 12.75 min N 08 deg 58.25 min W low intertidal   oyster trestle Growing on metal oyster trestle in South Galway Bay off Carrowmore, Ireland. Photographed Sep 30, 2007. Identified by J. Nunn.
116 94 Shinnecock Bay 2 SKB2 Shinnecock Bay, LI, NY USA 40 deg 50.52 min N 72 deg 29.98 min W 0.15 4.4 cement bridge pillar New Ponquogue Bridge, 3rd row of pillars from south end, Shinnecock Bay, LI, NY. Photographed Jan 13, 2009. Identified by C. Harrington.
117 95 Holyhead Harbour HH North Wales UK 53 deg 19.173 min N 04 deg 38.488 min W 1-6   boat hulls, pontoons, chain, rope, other species Overgrowing many substrates in Holyhead Marina, Holyhead, North Wales. Photographed Dec 12, 2008. Identified by S. Mowat and K. Griffith.
118 96 Montauk Harbor MH Montauk Harbor, Long Island, NY USA 41 deg 04.467 min N 71 deg 56.048 min W     wood dock, mussels Growing on wood dock and mussels in Montauk Harbor, LI, NY. Photographed Nov 17, 2009. Identified by L. Penny.
119 97 Triangle TRI mouth of Umpqua River, Winchester Bay, OR USA 43 deg 39.984 min N 124 deg 12.729 min W 6   rock Growing on rock wall of ocean jetty in the Triangle, Winchester Bay, OR. Photographed Feb 15, 2010. Identified by L. Curran.
120 98 Deep Cove DC Cobscook Bay region, ME USA 44 deg 54.573 min N 67 deg 01.595 min W 18   gravel, shells, sea scallops Growing on gravel, shells, and sea scallops on seabed in Deep Cove, ME. Photographed Oct 21, 2010. Identified by K. Kelly.
121 99 Whiting Bay 1 WB1 Whiting Bay, ME USA 44 deg 50.798 min N 67 deg 08.549 min W 11   gravel, shells, sea scallops Growing on gravel, shells, and sea scallops on seabed in Whiting Bay, ME. Photographed Oct 22, 2010. Identified by K. Kelly.
122 100 Whiting Bay 2 WB2 Whiting Bay, ME USA 44 deg 51.651 min N 67 deg 08.614 min W 18   gravel, shells, sea scallops Growing on gravel, shells, and sea scallops on seabed in Whiting Bay, ME. Photographed Oct 22, 2010. Identified by K. Kelly.
123 101 Pleasure Bay PB Boston, MA USA 42 deg
20.30 min N
71 deg
0.94 min W
intertidal   dead bivalve shells Growing on on dead bivalve shells in the intertidal zone at beach on Pleasure Bay, Boston, MA. Photographed July 21, 2011. Identified by P. Valentine from photo.
124 102 Boston Ledge BL Outer Boston Harbor, MA USA 42 deg
20.117 min N
70 deg
51.933 min W
12-16 m   rocky seabed Growing on rocky substrate, red and green algae, and erect sponges on Boston Ledge, MA. Photographed July 15, 2012. Identified by P. Colarusso
125 103 Folly Cove FC Rockport, MA USA 42 deg
41.217 min N
70 deg
38.533 min W
2-3 m     Growing on boulder with algae at Folly Cove, MA. Photographed July 6, 2012. Identified by P. Colarusso.
126 104 Old Garden Beach OGB Rockport, MA USA 42 deg
39.1540 min N
70 deg
36.411 min W
6 m     Growing on rocky surface with algae at Old Garden Beach, MA. Photographed August 25, 2012. Identified by P. Colarusso.
127 105 Pavilion Beach PBCH Gloucester, MA USA 42 deg
36.50 min N
70 deg
40.133 min W
3-4 m     Growing on rocky surface with algae at Pavilion Beach, MA. Photographed June 12, 2012. Identified by P. Colarusso.
128 106 Plum Cove PC Rockport, MA USA 42 deg
40.450 min N
70 deg
39.883 min W
3.5-4.5     Growing on rocky surface with algae at Plum Cove, MA. Photographed June 24, 2012. Identified by P. Colarusso.
129 107 Arsenal Harbor AH Venice Lagoon, Venice Italy 45 deg
26.246 min N
12 deg
21.219 min E
0.5   mussels Growing on mussels on rope hanging from a floating dock in Arsenal Harbor, Venice Lagoon, Italy. Photographed January 24 and June 26, 2012. Identified by G. Lambert.
130 108 South Galway Bay SGB Parknahallagh IRL 53 deg
10.65 min N
08 deg
57.38 min W
low intertidal   oyster trestle, boulders, algae Growing on oyster trestles, algae, and boulders in intertidal zone in South Galway Bay, off Parknahallagh, Ireland. Photographed April 1, 2014. Identified by J. Nunn
131 109 Whiting Harbor WTH Sitka, Alaska USA 57 deg
02.741 min N
135 deg
22.299 min W
few meters below surface   docks, aquaculture nets and lines Growing on docks and nets at aquaculture farm in Whiting Harbor, Sitka, AK. Photographed June 12, 2010. Identified by: see Cohen et al., 2011 paper.
132 110 Firth of Clyde FOC Largs Scotland 55 deg
46.416 min N
04 deg
51.490 min W
~ 1 to 5 m   pilings, ropes, cables Growing on docks at Largs Yacht Haven, Largs, Scotland. February 2010. See Beveridge et al, 2011 report.
133 111 Herne Bay coast HNB Kent England ~ 51 deg
22.4 min N
~ 01 deg 07.0 min E intertidal   boulders, algae Growing on the sides of boulders in the intertidal zone on the Herne Bay coast, Kent, England. See Kentonline news report of December 5, 2011.

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