Marine organism resembling a sea cucumber with long appendages on a dark seabed.
Sea Cucumber
Image courtesy of NOAA Ocean Exploration, 2025 Beyond the Blue. Download larger version (jpg, 1.49 MB).
A sea cucumber (Oneirophanta sp.) observed on the twelfth dive of the Papahānaumokuākea ROV and Mapping expedition. It was found at a depth of 2,265 meters (7,431 feet).