Image courtesy of Exploration of Deepwater Habitats off Puerto Rico and the U.S. Virgin Islands for Biotechnology Potential. Download largest version (jpg, 5.94 MB).
A massive, amorphous greenish-brown sponge seen off southern Puerto Rico at a depth of 81 meters (266 feet) during Exploration of Deepwater Habitats off Puerto Rico and the U.S. Virgin Islands for Biotechnology Potential.