Image courtesy of Exploration of Deepwater Habitats off Puerto Rico and the U.S. Virgin Islands for Biotechnology Potential. Download largest version (jpg, 7.32 MB).
Thin walled, flexible sponge (Phakellia c.f. folium) seen off southern Puerto Rico at a depth of 442 meters (1,450 feet) during Exploration of Deepwater Habitats off Puerto Rico and the U.S. Virgin Islands for Biotechnology Potential.