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Didemnum vexillum - Thrumcap Island, Maine, Images




October 7, 2002
Image RM_TI_ME002, tunicate colony of D. vexillum (close up) encrusting a vertical rock wall.
Image RM_TI_ME002

Image RM_TI_ME002. . Tunicate colony of Didemnum vexillum (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, tunicate colony of D. vexillum (close up) encrusting a vertical rock wall.
Image RM_TI_ME003

Image RM_TI_ME003. . Tunicate colony of Didemnum vexillum (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, tunicate colony of D. vexillum
Image RM_TI_ME004

Image RM_TI_ME004. . Tunicate colony of Didemnum vexillum (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, tunicate colonies of D. sp. encrusting a vertical rock wall.
Image RM_TI_ME010

Image RM_TI_ME010. . Tunicate colonies of Didemnum vexillum 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, tunicate colonies of D. sp. encrusting a vertical rock wall.
Image RM_TI_ME011

Image RM_TI_ME011. . Tunicate colonies of Didemnum vexillum 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, tunicate colonies of D. sp. encrusting a vertical rock wall.
Image RM_TI_ME012

Image RM_TI_ME012. . Tunicate colonies of Didemnum vexillum 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, tunicate colonies of D. sp. encrusting a vertical rock wall.
Image RM_TI_ME013

Image RM_TI_ME013. . Tunicate colonies of Didemnum vexillum 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, tunicate colonies of D. sp. encrusting a vertical rock wall
Image RM_TI_ME014

Image RM_TI_ME014. . Tunicate colonies of Didemnum vexillum 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.
Click here to download image.

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