Didemnum sp. - Thrumcap Island, Maine, Images
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| October 7, 2002 |
Image RM_TI_ME002 |
Image RM_TI_ME002. . Tunicate colony of Didemnum sp. (close up) encrusting a vertical rock wall. Off Thrumcap Island, at the mouth of the Damariscotta River, ME (43 deg 49.22 min N lat, 69 deg 32.98 min W lon). Water depth 10-15 m. October 7, 2002. Observer: Robert Miller (UMB). Photo credit: Robert Miller (UMB). Location no. 35.
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Image RM_TI_ME003 |
Image RM_TI_ME003. . Tunicate colony of Didemnum sp. (close up) encrusting a vertical rock wall. Off Thrumcap Island, at the mouth of the Damariscotta River, ME (43 deg 49.22 min N lat, 69 deg 32.98 min W lon). Water depth 10-15 m. October 7, 2002. Observer: Robert Miller (UMB). Photo credit: Robert Miller (UMB). Location no. 35.
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Image RM_TI_ME004 |
Image RM_TI_ME004. . Tunicate colony of Didemnum sp. (yellow) abutting and overgrowing colony of Botrylloides violaceus (orange) on vertical rock wall. Off Thrumcap Island, at the mouth of the Damariscotta River, ME (43 deg 49.22 min N lat, 69 deg 32.98 min W lon). Water depth 10-15 m. October 7, 2002. Observer: Robert Miller (UMB). Photo credit: Robert Miller (UMB). Location no. 35.
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| August 22, 2003 |
Image RM_TI_ME010 |
Image RM_TI_ME010. . Tunicate colonies of Didemnum sp. encrusting a vertical rock wall. Small orange areas in left center of image are colonies of Botrylloides violaceus. Off Thrumcap Island, at the mouth of the Damariscotta River, ME (43 deg 49.22 min N lat, 69 deg 32.98 min W lon). Water depth 10-15 m. August 22, 2003. Observer: Robert Miller (UMB). Photo credit: Robert Miller (UMB). Location no. 35.
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Image RM_TI_ME011 |
Image RM_TI_ME011. . Tunicate colonies of Didemnum sp. encrusting a vertical rock wall and overgrowing kelp fronds that are covered with the invasive bryozoan Membranipora membranaceae. Off Thrumcap Island, at the mouth of the Damariscotta River, ME (43 deg 49.22 min N lat, 69 deg 32.98 min W lon). Water depth 10-15 m. August 22, 2003. Observer: Robert Miller (UMB). Photo credit: Robert Miller (UMB). Location no. 35.
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Image RM_TI_ME012 |
Image RM_TI_ME012. . Tunicate colonies of Didemnum sp. encrusting a vertical rock wall have overgrown completely a horse mussel (Modiolus modiolus) in center of the image. Off Thrumcap Island, at the mouth of the Damariscotta River, ME (43 deg 49.22 min N lat, 69 deg 32.98 min W lon). Water depth 10-15 m. August 22, 2003. Observer: Robert Miller (UMB). Photo credit: Robert Miller (UMB). Location no. 35.
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Image RM_TI_ME013 |
Image RM_TI_ME013. . Tunicate colonies of Didemnum sp. encrusting a vertical rock wall. Off Thrumcap Island, at the mouth of the Damariscotta River, ME (43 deg 49.22 min N lat, 69 deg 32.98 min W lon). Water depth 10-15 m. August 22, 2003. Observer: Robert Miller (UMB). Photo credit: Robert Miller (UMB). Location no. 35.
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Image RM_TI_ME014 |
Image RM_TI_ME014. . Tunicate colonies of Didemnum sp. encrusting a vertical rock wall and overgrowing a diverse community of sessile invertebrates and calcareous algae. Small orange areas in center of image are colonies of Botrylloides violaceus. Off Thrumcap Island, at the mouth of the Damariscotta River, ME (43 deg 49.22 min N lat, 69 deg 32.98 min W lon). Water depth 10-15 m. August 22, 2003. Observer: Robert Miller (UMB). Photo credit: Robert Miller (UMB). Location no. 35.
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U.S. Department of the Interior |
U.S. Geological Survey
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