A cluster of male ruby brittle stars (Ophioderma rubicundum) atop a brain coral.
These males will soon release sperm during a night-time spawning event.
Image ID: sanc0448, NOAA's Sanctuaries Collection Location: Flower Garden Banks National Marine Sanctuary Photographer: G.P. Schmahl, Sanctuary Superintendent Credit: NOAA/NOS/NMS/FGBNMS; National Marine Sanctuaries Media Library
