Coral reefs are diverse underwater ecosystems held together by calcium
carbonate structures secreted by corals. Coral reefs are built by colonies of tiny
coral reef Coral reefs are warm, clear, shallow ocean habitats that are rich in life.
The reef's massive structure is formed from coral polyps, tiny animals that live in ...
In the Pacific islands, coral reefs have some of the highest biodiversity in the
world. For example, Guam hosts over 3,500 species of plants and animals, ...
Coral reefs are a unique part of ocean regions that provide a habitat for fish and
other underwater animals. Coral reefs are found mostly in the tropics. Reefs ...
Coral reefs along our coastlines are the richest habitats on the planet and are
home to countless animal species. Animals from all different groups including ...
Many beautiful and fragile animals have adapted to the warm waters of coral
reefs. Because the reefs offer natural protection to many of the fish, many ...
Coral polyps are actually translucent animals. Reefs get their wild hues from the
billions of colorful zooxanthellae (ZOH-oh-ZAN-thell-ee) algae they host.
ANIMALS: Did you know that there can be as many different types of fish in two
acres of coral reef in Southeast Asia as there are ...
Coral reefs are some of the most diverse ecosystems in the world, housing tens
of thousands of marine species. About one-third of all marine fish species live ...
In fact, about one-third of all saltwater fish species live at least part of their lives
on coral reefs. That's at least 5,000 different species of wildlife! This is especially