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A squat lobster and blackbelly rosefish find shelter on a Lophelia pertusa coral reef off the southeastern United States.
overview

Deep-sea Corals

 It may be the last place you’d expect to find corals—up to 6,000 m (20,000 ft)...
Corals, sponges, and algae are the major components of most coral reef communities as shown in this picture.
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Corals and Coral Reefs

 Coral reefs are the most diverse of all marine ecosystems. They teem with life,...
On average, Arctic sea ice has decreased by four percent per decade since the late 1970s.
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Sea Level Rise

 The ocean never stops moving. When you visit the beach, waves roll in and recede...