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Two nurse sharks hover over a baited cage
Lesson Plan

Life of a Coral Reef Fish

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The small larvae of elkhorn coral (Acropora palmata) settle and grow on the crustose coralline algae species Hydrolithon boergesenii.
Photo

Coral Larvae Settling

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Tree corals like this Calyptrophora bayer can grow several meters high and resemble brightly colored trees.
Photo

Red Tree Coral

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Overfishing and sedimentation have heavily impacted this reef off the coast of Guam.
Photo

Coral Reef in Distress

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On Moorea, an island in French Polynesia, researchers are striving to complete a biocode—a DNA catalog of every life form big enough to pick up with tweezers.
Overview

Scientists Catalog Life on the Island of Moorea

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A piece of the Hyperbolic Crochet Coral Reef exhibit.
Article

When Art Meets Science: The Hyberbolic Crochet Coral Reef

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a display case of red coral jewelry containing necklaces, earrings, bracelets, and rings
Photo

Avoid Coral Jewelry

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These corals are dead—smothered in sediments and overgrown with algae.
Photo

Dead Coral Overgrown with Algae

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A comparison of an undisturbed Oculina coral reef and one that has been devastated by trawling.
Photo

Undisturbed vs. Trawled Reef

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Smithsonian zoologist Dr. Steve Cairns named and described this deep-sea coral species, Stephanocyathus paliferus, now preserved at the National Museum of Natural History.
Photo

Corals at the Smithsonian

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Dr. Valerie Paul, director of the Smithsonian Marine Station at Fort Pierce, Fla., examines tropical seaweeds on northwestern Guam’s coral reefs.
Photo

Diving in Guam

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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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