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Two nurse sharks hover over a baited cage
Lesson Plan

Life of a Coral Reef Fish

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Two nurse sharks hover over a baited cage
Lesson Plan

What is a Coral Reef? Middle School

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Unlike the shallow tropical coral reef at left, the deep-sea Oculina reef at right does not require sunlight.
Photo

Shallow and Deep-Sea Coral Reefs

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Two nurse sharks hover over a baited cage
Lesson Plan

What is a Coral Reef? Elementary School

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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

Coral Conservation

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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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Two nurse sharks hover over a baited cage
Lesson Plan

Symbiosis and Coral Anatomy

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A diver cares for the reef by cleaning up discarded fishing gear and garbage.
Article

Reef Rescue: Protect Coral Reefs with Your Actions

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Many species of pink coralline algae, which cements coral reefs together, cover a reef surface in the Southern Line Islands.
Article

Coralline Algae: The Unsung Architects of Coral Reefs

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Two nurse sharks hover over a baited cage
Lesson Plan

Coral Adaptations Inquiry Lab

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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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