How old is black coral?

This deep-sea black coral from Hawaii (Leiopathes sp.) is more than 4,200 years old. Black corals are named for the color of their skeletons, but the external tissues of black corals come in many bright colors. Explore more in the multimedia feature "Coral Gardens of the Deep Sea."  

This black coral is more than 4,200 years old. Named for the color of their skeletons, black corals come in many colors.
Texas A&M University

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