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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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Lost nets become entangled on a coral reef in the NW Hawaiian Islands, doing damage for decades. Wave action on the net breaks pieces of coral off until the net breaks, when it is free to catch on new reefs and do more damage.
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Lost Nets Hurt Coral Reefs

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Two nurse sharks hover over a baited cage
Lesson Plan

Coral Conservation

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Ari Daniel Shapiro and Dr.Randi Rotjan of the New England Aquarium, journey to the Phoenix Islands to study coral bleaching.
Audio

Coral Reefs: One Species at a Time

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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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corals in shallow water with sunlight streaming through the surface
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Coral Reefs in the Sunlight

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Two nurse sharks hover over a baited cage
Lesson Plan

Coral Adaptations

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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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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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Two nurse sharks hover over a baited cage
Lesson Plan

Caribbean Coral Reef and Climate Case Study

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A variety of organisms make their home on this tropical coral reef in Indonesia.
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Indonesian Coral Reef

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