image
Hand-Like Sponge
A reddish-brown, hand-like sponge (Agelas sp.) seen off western Puerto Rico at a depth of 103 meters (338 feet) during Exploration of Deepwater Habitats off Puerto Rico and the U.S. Virgin Islands for Biotechnology Potential.
Credit

Image courtesy of Exploration of Deepwater Habitats off Puerto Rico and the U.S. Virgin Islands for Biotechnology Potential.