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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

    Jul 6, 2026 · Coral, any of a variety of invertebrate marine organisms of the class Anthozoa that are characterized by …

  3. 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 …

  4. Coral Reef Alliance - Saving the World’s Coral Reefs

    Coral reefs are some of the most extraordinary ecosystems on the planet. They support a quarter of all marine life, provide food and …

  5. 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 …

  6. What are corals? - ICRI

    Corals are invertebrate animals belonging to a large group of colourful and fascinating animals called Cnidaria. Other animals in this …

  7. CORAL Definition & Meaning - Merriam-Webster

    Jul 24, 2026 · The meaning of CORAL is the calcareous or horny skeletal deposit produced by anthozoan or rarely hydrozoan …

  8. Coral - National Geographic Society

    Nov 21, 2024 · Though coral may look like a colorful plant growing from roots in the seafloor, it is actually an animal. Corals are …

  9. Corals - Woods Hole Oceanographic Institution

    5 days ago · Many people think of coral as hard, rock-like formations that attract abundant, diverse marine life. In fact, corals are tiny …

  10. Coral reef - Wikipedia

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