Black corals, like this Bathypathes, were not seen in the sedimented area where the dive began, but became more common as Deep Discoverer explored the more rocky ridge and crest.
Black Coral
Image courtesy of NOAA Ocean Exploration, 2017 Laulima O Ka Moana. Download larger version (jpg, 1.4 MB).
While exploring an unnamed seamount in the south central portion of the Johnston Atoll Unit of the Pacific Remote Islands Marine National Monument, black corals, like this Bathypathes, were not seen in the sedimented area where the dive began, but became more common as Deep Discoverer explored the more rocky ridge and crest.
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