Sponges

Soft colonial organisms attached to substrate.

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