Dense bed of glass sponges (Farrea nr occa?) covering the vertical face of a large block.
Glass Sponges
Image courtesy of the NOAA Office of Ocean Exploration and Research, 2017 Laulima O Ka Moana.
Dense bed of glass sponges (Farrea nr occa?) covering the vertical face of a large block. Download larger version (jpg, 1.4 MB).
Learn more