Underwater view of rocky ocean floor with corals, sponges, and a submersible with lights.
Pillow Basalts
Image courtesy of NOAA Ocean Exploration, 2025 Beyond the Blue. Download larger version (jpg, 896 KB).
This wall of pillow basalts, explored during Dive 14 of the Papahānaumokuākea ROV and Mapping expedition, was home to a diversity of corals, sponges, echinoderms, and crustaceans.