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coral reefs
(Encyclopedia)coral reefs, limestone formations produced by living organisms, found in shallow, tropical marine waters. In most reefs, the predominant organisms are stony corals, colonial cnidarians that secrete an...atoll
(Encyclopedia)atoll: see coral reefs.Florida Keys
(Encyclopedia)Florida Keys, chain of coral and limestone islands and reefs, c.150 mi (240 km) long, extending from Virginia Key, S of Miami Beach, to Key West, and forming the southern extremity of Florida. Between...Great Barrier Reef
(Encyclopedia)Great Barrier Reef, largest complex of coral reef in the world, c.1,250 mi (2,000 km) long, in the Coral Sea, forming a natural breakwater for the coast of Queensland, NE Australia. Composed of more t...Kaneohe Bay
(Encyclopedia)Kaneohe Bay, Hawaii, on the east coast of Oahu, protected by coral reefs and dotted with islands. The shores of the bay are rimmed with ancient fishponds built by the Hawaiian chiefs. A U.S. marine co...Lord Howe Island
(Encyclopedia)Lord Howe Island, volcanic island (2016 pop. 382), 5 sq mi (12.9 sq km), S Pacific, a dependency of New South Wales, Australia. It is a resort c.300 mi (480 km) E of the Australian coast. The island h...Hamilton, city, Bermuda
(Encyclopedia)Hamilton, city (1990 est. pop. 3,100), capital of Bermuda, on Bermuda Island. It is a port at the head of Great Sound, a huge lagoon and deepwater harbor protected by coral reefs. The city is the focu...Coral Sea Islands
(Encyclopedia)Coral Sea Islands, external territory of Australia, comprising scattered small islands and reefs spread over c.400,000 sq mi (1,035,995 sq km) of the South Pacific Ocean, E of the Great Barrier Reef, ...Papahānaumokuākea Marine National Monument
(Encyclopedia)Papahānaumokuākea Marine National Monument, 582,578 sq mi (1,508,870 sq km), in the Pacific Ocean surrounding the NW Hawaiian Islands, c.270 mi (435 km) NW of Oahu; est. 2006 as Northwestern Hawaiia...San Andrés and Providencia
(Encyclopedia)San Andrés and Providencia, district (1990 est. pop. 39,949), 21 sq mi (54 sq km), Colombia, comprising two small islands and seven groups of coral reefs and cays in the Caribbean 125–200 mi (201...Browse by Subject
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