image
Svenzea zeai?
A reddish-purple sponge (possibly a Svenzea zeai) with black dots seen off southern Puerto Rico at a depth of 88 meters (266 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.