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  1. Coral - Wikipedia

    Corals are colonial marine invertebrates within the subphylum Anthozoa of the phylum Cnidaria. They typically form compact …

  2. Coral | Definition, Types, Location, & Facts | Britannica

    Sep 11, 2026 · Coral, any of a variety of invertebrate marine organisms of the class Anthozoa that are characterized by …

  3. Coral reef - Wikipedia

    Coral belongs to the class Anthozoa in the animal phylum Cnidaria, which includes sea anemones and jellyfish. Unlike sea …

  4. Coral - Simple English Wikipedia, the free encyclopedia

    With all these corals gathered together building skeletons around themselves, large coral formations are made. Together, all the …

  5. Corals Tutorial: What are corals? - NOAA's National Ocean Service

    This tutorial is an overview of the biology of and threats to coral reefs, as well as efforts being made to conserve and protect them. It …

  6. Coral - Description, Habitat, Image, Diet, and Interesting Facts

    At its core, a coral is an invertebrate animal belonging to the phylum Cnidaria, which also includes jellyfish and sea anemones. Each …

  7. Corals - NOAA Fisheries

    Corals are animals that "take root" on the ocean floor and can live in shallow waters or the deepest ocean canyons. They create …