Claudio Contreras / Giant barrel sponge (Xestospongia muta) Cozumel Reefs National Park, Cozumel Island, Caribbean Sea, Mexico, February
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Alex Mustard / School of Bludger trevally (Carangoides gymnosthethus) throng over a coral reef, with a giant barrel sponge (Xestospongia muta). Misool, Raja Ampat, West Papua, Indonesia. Misool Marine Protected Area...
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Alex Mustard / West Indian spider crab (Mithrax spinosissimus) shelter in a giant barrel sponge (Xestospongia muta) on a coral reef. Jardines de la Reina, Gardens of the Queen National Park, Cuba. Caribbean Sea.
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Alex Mustard / Black grouper (Mycteroperca bonaci) yawns as it visits a cleaning station on a coral reef, beside a giant barrel sponge (Xestospongia muta). Jardines de la Reina, Gardens of the Queen National Park, C...
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Claudio Contreras / Giant barrel sponge (Xestospongia muta) Cozumel Reefs National Park, Cozumel Island, Caribbean Sea, Mexico, January
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Alex Mustard / Diver swimming through Tolberone Tunnel, a triangular tunnel through the middle of an island in Raja Ampat. Giant barrel sponges (Xestospongia muta) growing on the floor of the tunnel, which have an u...
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Pascal Kobeh / Caribbean spiny lobster (Panulirus argus) in a giant barrel sponge (Xestospongia muta), San Salvador Island / Colombus Island, Bahamas. Caribbean.
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Pascal Kobeh / Caribbean spiny lobster (Panulirus argus) in Giant barrel sponge (Xestospongia muta), San Salvador Island / Colombus Island, Bahamas. Caribbean.
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Pascal Kobeh / Diver on coral reef with Giant barrel sponge (Xestospongia muta), Elephant ear sponge (Agelas clathrodes) and coral, San Salvador Island / Colombus Island, Bahamas. Caribbean. June 2013.
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Pascal Kobeh / Diver on coral reef with a Giant barrel sponge (Xestospongia muta), Elephant ear sponge (Agelas clathrodes) and corals, San Salvador Island / Colombus Island, Bahamas. Caribbean. June 2013.
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Pascal Kobeh / Diver near the coral drop off with a Giant barrel sponge (Xestospongia muta), San Salvador Island / Colombus Island, Bahamas. Caribbean. June 2013.
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Michael Pitts / Barrel sponge (Xestospongia muta) and fish, Tobago
