https://oceanexplorer.noaa.gov/multimedia/okeanos-explorations-ex2107-gallery-media-dive06-boulder-glass-sponge/
Boulder with Many Glass Sponges - NOAA Ocean Exploration
The species encountered most often during Windows to the Deep 2021 Dive 06 was a flat hexactinellid (glass) sponge with a breakable branching cluster of flat,...
glass spongesocean explorationbouldermanynoaa