Didemnum sp. - Orleans, Massachusetts, Images
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Image DB_TC_DSCF1260 |
Image DB_TC_DSCF1260. View of the floating dock in Town Cove behind Nauset Marine, Orleans, MA (41 deg 47.50 min N lat, 69 deg 59.07 min W lon). Water depth of photographed species to 0.2 m. October 26, 2004. Photo credit: Dann Blackwood (USGS). Location no. 38.
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Click here for video of Didemnum sp. on floating dock. | Video Imagery DB_TC_MAvideo1. Tunicate colonies of Didemnum sp. hanging from styrofoam float; colony tendrils extending downward from main parts of colonies. Floating dock in Town Cove at Nauset Marine, Orleans, MA (41 deg 47.50 min N lat, 69 deg 59.07 min W lon). Water depth to 0.2 m. October 26, 2004. Video credit: Dann Blackwood (USGS). Location no. 38.
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Image DB_TC_DSCF1257 |
Image DB_TC_DSCF1257. Tunicate colonies of Didemnum sp. growing on styrofoam floats. Floating dock in Town Cove at Nauset Marine, Orleans, MA (41 deg 47.50 min N lat, 69 deg 59.07 min W lon). Water depth of tunicate colonies in view to 0.2 m. October 26, 2004. Photo credit: Dann Blackwood (USGS).
Location no. 38.
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Image DB_TC_DSCF1253 |
Image DB_TC_DSCF1253.
Tunicate colonies of Didemnum sp. hanging from styrofoam float; colony tendril pinching off from main part of colony. Floating dock in Town Cove at Nauset Marine, Orleans, MA (41 deg 47.50 min N lat, 69 deg 59.07 min W lon). Water depth to 0.2 m. October 26, 2004. Photo credit: Dann Blackwood (USGS).
Location no. 38.
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Image DB_TC_DSCF1258. |
Image DB_TC_DSCF1258. Tunicate colonies of Didemnum sp. hanging from styrofoam float; colony tendrils pinching off from main part of colony. Bright red areas at top of image are possibly small colonies of Botrylloides violaceus. Floating dock in Town Cove at Nauset Marine, Orleans, MA (41 deg 47.50 min N lat, 69 deg 59.07 min W lon). Water depth to 0.2 m. October 26, 2004. Photo credit: Dann Blackwood (USGS).
Location no. 38.
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Image DB_TC_DSCF1267 |
Image DB_TC_DSCF1267. View of the floating dock in Town Cove behind Goose Hummock Shop, Orleans, MA (41 deg 47.68 min N lat, 69 deg 58.93 min W lon). Water depth of photographed species to 0.2 m. October 26, 2004. Photo credit: Dann Blackwood (USGS).
Location no. 39.
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Image DB_TC_DSCF1266 |
Image DB_TC_DSCF1266. Tunicate colonies of Didemnum sp. Floating dock in Town Cove at Goose Hummock Shop, Orleans, MA (41 deg 47.68 min N lat, 69 deg 58.93 min W lon). Water depth of photographed species to 0.2 m. October 26, 2004. Photo credit: Dann Blackwood (USGS).
Location no. 39.
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Image DB_TC_DSCF1269 |
Image DB_TC_DSCF1269.
View of the floating dock north of Nauset Marine on western shore of Town Cove, Orleans, MA (41 deg 47.82 min N lat, 69 deg 58.87 min W lon). Water depth of photographed species to 0.2 m. October 26, 2004. Photo credit: Dann Blackwood (USGS).
Location no. 40.
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Image DB_TC_DSCF1271 |
Image DB_TC_DSCF1271. Tunicate colonies of Didemnum sp. Floating dock north of Nauset Marine on western shore of Town Cove, Orleans, MA (41 deg 47.82 min N lat, 69 deg 58.87 min W lon). Water depth of photographed species to 0.2 m. October 26, 2004. Photo credit: Dann Blackwood (USGS).
Location no. 40.
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Image DB_TC_DSCF0995 |
Image DB_TC_DSCF0995. Tunicate colonies of Didemnum sp. Largest colony with long tendrils is 20 cm (8 in) long. Floating dock north of Nauset Marine on western shore of Town Cove, Orleans, MA (41 deg 47.82 min N lat, 69 deg 58.87 min W lon). Water depth to 0.2 m. October 26, 2004. Observers: Mary Carman (WHOI) and Page Valentine (USGS). Photo credit: Dann Blackwood (USGS).
Location no. 40.
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Image DB_TC_DSCF0997 |
Image DB_TC_DSCF0997. Tunicate colony of Didemnum sp.; closeup of large colony in image DB_TC_DSCF0995 showing tendrils. Floating dock north of Nauset Marine on western shore of Town Cove, Orleans, MA (41 deg 47.82 min N lat, 69 deg 58.87 min W lon). Water depth to 0.2 m. October 26, 2004. Observers: Mary Carman (WHOI) and Page Valentine (USGS). Photo credit: Dann Blackwood (USGS).
Location no. 40.
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Image DB_TC_DSCF0999 |
Image DB_TC_DSCF0999 . Tunicate colony of Didemnum sp.; closeup of colony showing short tendrils. Floating dock north of Nauset Marine on western shore of Town Cove, Orleans, MA (41 deg 47.82 min N lat, 69 deg 58.87 min W lon). Water depth 0.2 m. October 26, 2004. Observers: Mary Carman (WHOI) and Page Valentine (USGS). Photo credit: Dann Blackwood (USGS).
Location no. 40.
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Image DB_TC_DSCF1275 |
Image DB_TC_DSCF1275. View of the floating dock west of Hopkins Island on western shore of Town Cove, Orleans, MA (41 deg 48.28 min N lat, 69 deg 58.43 min W lon). Water depth of photographed species to 0.2 m. October 26, 2004. Photo credit: Dann Blackwood (USGS).
Location no. 41.
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Image DB_TC_DSCF1274 |
Image DB_TC_DSCF1274.
Tunicate colonies of Didemnum sp. Floating dock west of Hopkins Island on western shore of Town Cove, Orleans, MA (41 deg 48.28 min N lat, 69 deg 58.43 min W lon). Water depth of photographed species to 0.2 m. October 26, 2004. Photo credit: Dann Blackwood (USGS).
Location no. 41.
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Image DB_TC_DSCF1292 |
Image DB_TC_DSCF1292. Tunicate colony of Didemnum sp. Colony is 10.2 cm (4.5 in) long. Floating dock west of Hopkins Island on western shore of Town Cove, Orleans, MA (41 deg 48.28 min N lat, 69 deg 58.43 min W lon). Water depth to 0.2 m. October 26, 2004. Observers: Mary Carman (WHOI) and Page Valentine (USGS). Photo credit: Dann Blackwood (USGS).
Location no. 41.
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Image DB_TC_DSCF1293 |
Image DB_TC_DSCF1293. Tunicate colony of Didemnum sp. (reverse of specimen in image DB_TC_DSCF1292); shows underside of barnacles overgrown by the tunicate. Colony is 10.2 cm (4.5 in) long. Red patch is small colony of the tunicate Botrylloides violaceus Floating dock west of Hopkins Island on western shore of Town Cove, Orleans, MA (41 deg 48.28 min N lat, 69 deg 58.43 min W lon). Water depth to 0.2 m. October 26, 2004. Observers: Mary Carman (WHOI) and Page Valentine (USGS). Photo credit: Dann Blackwood (USGS).
Location no. 41.
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Image DB_TC_DSCF1295 |
Image DB_TC_DSCF1295.
Tunicate colony of Didemnum sp. (reverse of specimen in image DB_TC_DSCF1292); closeup of small red colony of the tunicate Botrylloides violaceus. Floating dock west of Hopkins Island on western shore of Town Cove, Orleans, MA (41 deg 48.28 min N lat, 69 deg 58.43 min W lon). Water depth to 0.2 m. October 26, 2004. Observers: Mary Carman (WHOI) and Page Valentine (USGS). Photo credit: Dann Blackwood (USGS).
Location no. 41.
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U.S. Department of the Interior |
U.S. Geological Survey
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