Coral reefs are really important. While they only cover a small area (under 1% of the earths surface area) they support about 25% of all marine life, including more than 4000 species of fish.
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Coral reefs are really important. While they only cover a small area (under 1% of the earths surface area) they support about 25% of all marine life, including more than 4000 species of fish.