Vailulu'u Expedition 2005. Large hexactinellid sponge, probably family Pheronemidae, attached with large spicules to the broken pillows off Tau'u.
Image ID: expl1543, Voyage To Inner Space - Exploring the Seas With NOAA Collect Credit: Image courtesy of Vailulu'u 2005 Exploration, NOAA-OE • High Resolution Photo Available
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