Alex Mustard / Portrait of Blacktip grouper (Epinephelus fasciatus) resting in Barrel sponge (Xestospongia testudinaria) Mabul Island, Sabah, Borneo, Malaysia. Sulawesi Sea.
01627102
Magnus Lundgren / Wild Wonders of China / Giant barrel sponge (Xestospongia testudinaria) Xiaoliuqiu Island, Taiwan
01607095
Georgette Douwma / Barrel sponge (Xestospongia testudinaria) and gorgonian coral. West Papua, Indonesia.
01587636
Bert Willaert / Giant barrel sponge (Xestospongia testudinaria) with feather stars (Crinoids). Bismarck Sea, Vitu Islands, West New Britain, Papua New Guinea
01587633
Bert Willaert / Feather stars (Crinoids) on Barrel sponge (Xestospongia testudinaria) and soft corals. Bismarck Sea - Vitu Islands, West New Britain, Papua New Guinea
01586416
Franco Banfi / Barrel sponge (Xestospongia testudinaria) Tubbataha Reef Natural Park, UNESCO World Heritage Site, Sulu Sea, Cagayancillo, Palawan, Philippines
01573918
Georgette Douwma / Black coral (Antipathes dichotoma) and Barrel sponge (Xestospongia testudinaria) in coral reef, West Papua, Indonesia.
01568445
Linda Pitkin / Barrel sponge (Xestospongia testudinaria), beneath roots of mangroves (Rhizophora sp.). Diver photographing Mangrove Ridge, Yanggefo Island, Raja Ampat, West Papua, Indonesia, March 2016
01508277
Juergen Freund / Giant barrel sponge (Xestospongia testudinaria) with crinoids, Kimbe Bay, West New Britain, Papua New Guinea.
01502261
Pascal Kobeh / Diver near barrel sponge (Xestospongia testudinaria), hard coral (Porites sp) and red whip coral (Ctenocella sp), Walindi, Papua New Guinea, Bismarck Sea.
01473215
Alex Mustard / Female Tassled wobbegong shark (Eucrossorhinus dasypogon) rests alongside stand of Barrel sponges (Xestospongia testudinaria) Blue Magic, Raja Ampat, West Papua, Indonesia. Tropical West Pacific Ocean...
01473144
Alex Mustard / Pair of Sponge porcelain crabs (Aliaporcellana sp.) shelter in groove of large Barrel sponge (Xestospongia testudinaria) Seraya, Bali, Indonesia. Java Sea.