A pink branched 'bottlebrush' black coral shares a knoll with feather-like,
orange black corals (Bathypathes), large yellow sponges, and a stalked glass
sponge. The knoll provides a good substrate for sponges and corals to grow on.
Image ID: expl2445, Voyage To Inner Space - Exploring the Seas With NOAA Collect Credit: North Atlantic Stepping Stones Science Party, IFE, URI-IAO; NOAA/OAR/OER