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  2. 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 ...

  3. Coral - Wikipedia

    en.wikipedia.org/wiki/Coral

    The classification of corals has been discussed for millennia, owing to having similarities to both plants and animals. Aristotle's pupil Theophrastus described the red coral, korallion, in his book on stones, implying it was a mineral, but he described it as a deep-sea plant in his Enquiries on Plants, where he also mentions large stony plants that reveal bright flowers when under water in ...

  4. Great Barrier Reef - Wikipedia

    en.wikipedia.org/wiki/Great_Barrier_Reef

    The Great Barrier Reef is the world's largest coral reef system, [1] [2] composed of over 2,900 individual reefs [3] and 900 islands stretching for over 2,300 kilometres (1,400 mi) over an area of approximately 344,400 square kilometres (133,000 sq mi).

  5. List of reefs - Wikipedia

    en.wikipedia.org/wiki/List_of_reefs

    The Amazon Reef (also referred to as the Amazonian Reef) is an extensive coral and sponge reef system, located off the coast of French Guiana and northern Brazil. It is one of the largest reef systems in the world known to exist, with scientists estimating its length to be over 600 miles (970 km) long, and covering over 3,600 square miles ...

  6. Corallivore - Wikipedia

    en.wikipedia.org/wiki/Corallivore

    Yellow longnose butterflyfish browsing on coral polyps. A corallivore is an animal that feeds on coral. Corallivores are an important group of reef organism because they can influence coral abundance, distribution, and community structure. Corallivores feed on coral using a variety of unique adaptations and strategies.

  7. Florida Reef - Wikipedia

    en.wikipedia.org/wiki/Florida_Reef

    Other common species of hard coral found on the Florida Reef include Ivory Bush Coral (Oculina diffusa), which is the dominant coral in the patch reefs along the Florida coast north of the Florida Keys, staghorn coral (Acropora cervicornis), lettuce coral (Agaricia agaricites), grooved brain coral (Diploria labyrinthiformis), boulder star coral ...

  8. Reef - Wikipedia

    en.wikipedia.org/wiki/Reef

    A variety of biotic reef types exists, including oyster reefs and sponge reefs, but the most massive and widely distributed are tropical coral reefs. [1] Although corals are major contributors to the framework and bulk material comprising a coral reef, the organisms most responsible for reef growth against the constant assault from ocean waves ...

  9. Coral Triangle - Wikipedia

    en.wikipedia.org/wiki/Coral_Triangle

    While it covers only 1.6% of the planet's oceanic area, the region has 76% of all known coral species in the world. As a habitat for 52% of Indo-Pacific reef fishes and 37% of the world's reef fishes, it contains the greatest diversity of coral reef fishes in the world [17] More than 3,000 species of bony fish are distributed over more than 90% of the Coral Triangle.