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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...

coral

(Encyclopedia)coral, small, sedentary marine animal, related to the sea anemone but characterized by a skeleton of horny or calcareous material. The skeleton itself is also called coral. Although most corals form c...

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, ...

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...

coral bells

(Encyclopedia)coral bells: see saxifrage.

Coral Gables

(Encyclopedia)Coral Gables, city (2020 pop. 49,248), Miami-Dade co., SE Fla., SW of Miami; inc. 1925. Founded at the height of the Florida land boom, Coral Gables is ...

coral-root

(Encyclopedia)coral-root: see orchid.

Coral Sea

(Encyclopedia)Coral Sea, southwest arm of the Pacific Ocean, between Australia, New Guinea, and Vanuatu. The Great Barrier Reef lies along its western edge. During World War II it was the scene of the battle of the...