Another World Hides inside Coral Reefs

Specialized video equipment snaked into small crevices in coral reefs of the Red

Multicolored sponges crowd the inside of a reef cavity. Wunsch

Sea has revealed a community that rivals the one visible outside.

“The largest habitat is inside,” contends Claudio Richter of the Center for

Tropical Marine Ecology in Bremen, Germany.

For each square meter of ocean bottom covered by the reefs, cavities inside offer

2.4