Didemnum vexillum - Boston Ledge, Massachusetts, Images
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July 15, 2012 |
Image PC_BL_MA001 |
Image PC_BL_MA001.Tunicate colonies of Didemnum vexillum encrusting rocky substrate and attached epifauna. Boston Ledge, MA (42 deg 20.117 min N lat, 70 deg 51.933 min W lon), located southeast of Outer Brewster Island, outer Boston Harbor, MA. Top of ledge is at 8 m water depth at high water. Water depth of D. vexillum colonies 12-16 m. July 15, 2012. Identified by P. Colarusso (USEPA). Photo credit: P. Colarusso (USEPA). Location no. 102.
Click here to download image. |
Image PC_BL_MA002 |
Image PC_BL_MA002. Tunicate colonies of Didemnum vexillum encrusting rocky substrate and attached epifauna. Boston Ledge, MA (42 deg 20.117 min N lat, 70 deg 51.933 min W lon), located southeast of Outer Brewster Island, outer Boston Harbor, MA. Top of ledge is at 8 m water depth at high water. Water depth of D. vexillum colonies 12-16 m. July 15, 2012. Identified by P. Colarusso (USEPA). Photo credit: P. Colarusso (USEPA). Location no. 102.
Click here to download image. |
Image PC_BL_MA003 |
Image PC_BL_MA003. Tunicate colonies of Didemnum vexillum encrusting rocky substrate and overgrowing red and green algae and erect orange sponges. Boston Ledge, MA (42 deg 20.117 min N lat, 70 deg 51.933 min W lon), located southeast of Outer Brewster Island, outer Boston Harbor, MA. Top of ledge is at 8 m water depth at high water. Water depth of D. vexillum colonies 12-16 m. July 15, 2012. Identified by P. Colarusso (USEPA). Photo credit: P. Colarusso (USEPA). Location no. 102.
Click here to download image. |
Image PC_BL_MA004 |
Image PC_BL_MA004. Tunicate colonies of Didemnum vexillum encrusting rocky substrate and overgrowing erect orange sponges. Boston Ledge, MA (42 deg 20.117 min N lat, 70 deg 51.933 min W lon), located southeast of Outer Brewster Island, outer Boston Harbor, MA. Top of ledge is at 8 m water depth at high water. Water depth of D. vexillum colonies 12-16 m. July 15, 2012. Identified by P. Colarusso (USEPA). Photo credit: P. Colarusso (USEPA). Location no. 102.
Click here to download image.
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U.S. Department of the Interior |
U.S. Geological Survey
