What are some unique characteristics of coral reefs?

Coral reefs are shallow-ocean habitats that are filled with sea life. The massive structure that the coral reef is comprised of is actually built out of coral polyps, which are small marine animals that thrive in colonies. read more

The physical characteristics of coral reefs allow many marine species to call them home. This truly complex habitat is home to fish, sponges, eels, jellyfish, sea stars, anemones, crustaceans, snails, turtles and mollusks. Mollusks that call coral reefs their home include octopi, nautilus and clams. read more

Basic Facts About Coral Reefs 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 part of their lives on coral reefs. read more