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There are many corals threatened with with extinction. Current estimates are that for a variety of reasons, pollution, fishing, disease, warming oceans fully one half of all corals are threated. Some examples are The Great Barrier Reef off Australia; the reefs of Hawaii in Kaneoke Bay and Waikiki Bay; reefs off Guam, the Virgin Islands, Jamaica, and Bermuda; and reefs in the Indian Ocean: all are in various stages of destruction. African states with endangered reefs in the western Indian ocean include Kenya, Tanzania, Mozambique, Mauritius and the Seychelles. Florida's barrier reef was calculated in 1986 to be dying at the rate of 4% a year. In 1991, parts of the reef were dying at the rate of 10% a year. Reefs consist of many types of coral such as Brain, Staghorn, Pillar, Black, Whip, Fan etc.

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14y ago

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