Did you know coral reefs are home to millions of species? Hidden beneath the ocean waters, coral reefs teem with life. Fish, corals, lobsters, clams, seahorses, sponges, and sea turtles are only a few of the thousands of creatures that rely on reefs for their survival.
Coral reefs are also living museums and reflect thousands of years of history. Many U.S. coral reefs were alive and thriving centuries before the European colonization of the nearby shores. Some reefs are even older than our old-growth redwood forests. They are an integral part of many cultures and our natural heritage.
In this image, a saddle grouper hides on the outer reef slopes of Maug Island surrounded by delicate sea fans.
Follow @noaaocean to learn more about corals. #CoralsWeek
Credit: Andrew E. Gray/NOAA
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