Yellow Tube Sponges in Coral Reef, Aplysina fistularis, Caribbean Sea, Dominica

Caribbean Coral Reef, Caribbean Sea, Dominica

Caribbean Coral Reef, Caribbean Sea, Dominica

Coral Reef with Barrel Sponge, Xestospongia testudinaria, Kai Islands, Moluccas, Indonesia

Fan Worm on red Sponge, Spirographis sp., Caribbean Sea, Dominica

Tube Sponges in Coral Reef, Aplysina fistularis, Caribbean Sea, Dominica

Caribbean Coral Reef, Caribbean Sea, Dominica

Shoal of Neon Fusilier, Pterocaesio tile, Kai Islands, Moluccas, Indonesia

Soldierfish on Coral Reef, Myripristis jacobus, Caribbean Sea, Dominica

Caribbean Coral Reef, Caribbean Sea, Dominica

Fan Worm on red Sponge, Spirographis sp., Caribbean Sea, Dominica

Caribbean Coral Reef, Caribbean Sea, Dominica

Caribbean Coral Reef, Caribbean Sea, Dominica

Caribbean Coral Reef, Caribbean Sea, Dominica

Group of barrel sponge in the deep reefs of the Banda Sea, Indonesia.

Barrel sponge in the reef with fishes in the Banda Sea, Indonesia.

Top view of a pnk barrel sponge looking like a saucer against the cyan reef bottom, Cenderawasih Bay, West Papua, Indonesia.

Detail of an encrusting sponge growing on a reef in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.

Squirrelfish (Holocentrus adscensionsis) finds shelter near a large Barrel sponge.

Sabre squirrelfish;Sargocentron spiniferum) having found refuge in a huge barrel sponge;Xestospongia testudinaria) at the mouth of the S-shaped pass at a depth of 50 meters. Mayotte