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  2. Coral - Wikipedia

    en.wikipedia.org/wiki/Coral

    Coral species include the important reef builders that inhabit tropical oceans and secrete calcium carbonate to form a hard skeleton. A coral "group" is a colony of very many genetically identical polyps. Each polyp is a sac-like animal typically only a few millimeters in diameter and a few centimeters in height.

  3. Coral reef - Wikipedia

    en.wikipedia.org/wiki/Coral_reef

    A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. [1] Most coral reefs are built from stony corals, whose polyps cluster in groups. Coral belongs to the class Anthozoa in the animal phylum Cnidaria, which includes sea anemones and ...

  4. Aquaculture of coral - Wikipedia

    en.wikipedia.org/wiki/Aquaculture_of_coral

    Coral aquaculture, also known as coral farming or coral gardening, is the cultivation of corals for commercial purposes or coral reef restoration. Aquaculture is showing promise as a tool for restoring coral reefs, which are dying off around the world.

  5. Happy Coral Reef Awareness Week! What you need to know ... - AOL

    www.aol.com/happy-coral-reef-awareness-week...

    Florida's Coral Reef is the only coral reef system in the continental United States and the third-largest barrier reef ecosystem in the world.. Stretching nearly 350 miles from Dry Tortugas ...

  6. The world's coral reefs are bleaching. What does that mean? - AOL

    www.aol.com/news/worlds-coral-reefs-bleaching...

    Huge stretches of coral reef around the world are turning a ghostly white this year amid record warm ocean temperatures. On Monday, the U.S. National Oceanic and Atmospheric Administration ...

  7. Scientists discover the world’s largest coral — so big it can ...

    www.aol.com/scientists-discover-world-largest...

    The coral shelters a host of marine life including fish, crabs and shrimp. It’s also like a living encyclopedia, said San Féliz, containing information about ocean conditions going back ...

  8. Precious coral - Wikipedia

    en.wikipedia.org/wiki/Precious_coral

    Precious coral, or red coral, is the common name given to a genus of marine corals, Corallium. The distinguishing characteristic of precious corals is their durable and intensely colored red or pink-orange skeleton , which is used for making jewelry .

  9. World's largest deep-sea coral reef mapped 100 miles off ...

    www.aol.com/worlds-largest-deep-sea-coral...

    Florida's Coral Reef, the only coral reef system in the continental United States and the third-largest barrier reef ecosystem in the world, is a shallow-water reef. This deep-sea one is ...