Huge Barrel Sponge (Xestospongia testudinaria), Jessie Beazley Reef, Sulu Sea, Palawan, Philippines.
                       
Diver silhouette & orange sponge, Bonaire
                       
Giant boring sponge (Cliona delitrix) and Brittle Starfish (Opiothrix suensonii), Roatan, Honduras
                       
Giant Barrel Sponge (Xestospongia muta) Roatan, Honduras
                       
Diver over barrel sponge
                       
Divers on wall with purple tube sponge
                       
Diver and red sponge