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Black Corals

:  Black corals often resemble bushes or trees. Their living tissue can be one of several colors. It’s the skeleton that is black.
(Mountains in the Sea Research Team; the IFE Crew; and NOAA)

Black corals, like this one growing on the Manning Seamount off the New England coast, often resemble bushes or trees. Contrary to its name, the living tissue of black coral can be one of several colors. It’s the skeleton that is black. See more pictures of coral in our Deep-sea Corals article.