Close-up of a coral-like marine organism with star-shaped polyps against a dark background.
Bamboo Coral
Image courtesy of NOAA Ocean Exploration, 2025 Beyond the Blue. Download larger version (jpg, 875 KB).
A bamboo coral (Adinisis sp.) observed on the twelfth dive of the Papahānaumokuākea ROV and Mapping expedition. Polyps on this colony retracted in response to remotely operated vehicle Deep Discoverer's presence. The observation was made at a depth of 2,374 meters (7,789 feet).