Close-up of beige anemone tentacles with rounded tips.
Anemone Tentacles
Image courtesy of NOAA Ocean Exploration, 2025 Beyond the Blue. Download larger version (jpg, 836 KB).
The tentacles of an anemone (Actinostolidae) observed on the fifteenth dive of the Papahānaumokuākea ROV and Mapping expedition. This family is restricted to the deep sea, some of which are associated with hydrothermal vents. The observation was made at a depth of 2,328 meters (7,637 feet).