A colorful coral reef with many fish swimming around it.

Los Arrecifes de Coral

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

Coral Overview

Are you a student researching corals or someone looking to learn more about coral reefs? This overview dives into everything to know.

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Featured Content

Improving Grades for the Mesoamerican Reef

Fish swimming in waters of Bay Islands, Honduras

Cabo Pulmo – esperanza para los arrecifes de coral

Tres peces grises nadan frente a una gran cabeza de coral.

Are You An Educator?

At Smithsonian Ocean, we have lesson plans, activities, and resources to help you engage your students in the wonders of our oceans.
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Los Arrecifes de Coral Articles

Worth the Investment: Ocean Real Estate Reveals Hidden Diversity

A "reef hotel" made of PVS layers on the seafloor.

Having Your Fish and Eating Them Too

Two coral trout swim on a reef in Fiji.

Reef Rescue: Protect Coral Reefs with Your Actions

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

Coralline Algae: The Unsung Architects of Coral Reefs

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