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dead coral from disease
Article

Sickness in the Sea: A Coral Plague Hits Florida

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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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Close-up photograph of translucent coral polyps, showing the symbiotic algae living inside.
Slideshow

Zooxanthellae and Coral Bleaching

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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 man speaking at the podium
Video

World Oceans Day 2012 - Live Webcast

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A photo of coral visibly affected by disease.
Photo

Diseased Coral

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In this photo of a shallow coral reef in the Pacific there are three species of forams. Their colors come from the symbiotic algae that live inside the foram shells.
Photo

Shallow Coral Reef Foraminifers

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Two nurse sharks hover over a baited cage
Lesson Plan

Caution! Do Not Bleach

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Two nurse sharks hover over a baited cage
Lesson Plan

Keeping Watch on Coral Reefs

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Two nurse sharks hover over a baited cage
Lesson Plan

Who Has the Data?

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Two nurse sharks hover over a baited cage
Lesson Plan

Caribbean Coral Reef and Climate Case Study

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Two nurse sharks hover over a baited cage
Lesson Plan

Life of a Coral Reef Fish

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