At least four species of Antipatharian black corals were seen during the fifth dive of the Seascape Alaska 3 expedition. This one was observed at a depth of 2,755 meters (1.71 miles) and was serving as habitat for several other organisms.
Black Coral
Image courtesy of NOAA Ocean Exploration, Seascape Alaska. Download larger version (jpg, 1.5 MB).

At least four species of Antipatharian black corals were seen during the fifth dive of the Seascape Alaska 3 expedition. This one was observed at a depth of 2,755 meters (1.71 miles) and was serving as habitat for several other organisms.