Translucent bamboo coral polyps with delicate tentacles extending from a white stalk in dark water.
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Bamboo Coral
A close look at the extended polyps of a bamboo coral seen while exploring a seamount during Dive 01 of the 2026 American Samoa ROV + Mapping Exploration expedition.
Credit

NOAA Ocean Exploration, 2026 American Samoa ROV + Mapping Exploration