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dead coral from disease
Article

Sickness in the Sea: A Coral Plague Hits Florida

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A bluefin trevally swims in Hawaii’s Maro Coral Reef, part of the Papahānaumokuākea Marine National Monument.
Slideshow

Two Views of Coral Reefs: Thriving and Threatened

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A screenshot from the video of Nancy Knowlton on PBS NewsHour.
Video

Where did Half of the Great Barrier Reef's Coral Go?

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Where the pH is the lowest, corals can no longer grow - sand, rubble and seagrasses replace the reef.
Article

Sneak Peek: Future of Coral Reefs in an Acidifying Ocean

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A decomposing sea star loses its grip on a rock.
Article

Sickly Starfish: A Q&A with Dr. Chris Mah

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An underwater photo of coral recovering from a bleaching event.
Photo

Resilient Coral

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Corals, sponges, and algae are the major components of most coral reef communities as shown in this picture.
Overview

Corals and Coral Reefs

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