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Deep-water coral Paragorgia arborea and a Coryphaenoides fish at a depth of 1,255 m (4,117 ft) on the Davidson Seamount. The habitat of deep-water corals, also known as cold-water corals, extends to deeper, darker parts of the oceans than tropical corals, ranging from near the surface to the abyss, beyond 2,000 metres (6,600 ft) where water temperatures may be as cold as 4 °C (39 °F).
Coral reefs cover only a tiny area of the ocean floor — about 1% of the total marine habitat — but, like bustling cities, they provide homes and life to a wide variety of life.
Coral reefs flourish in ocean waters that provide few nutrients. They are most commonly found at shallow depths in tropical waters, but deep water and cold water coral reefs exist on smaller scales in other areas. Shallow tropical coral reefs have declined by 50% since 1950, partly because they are sensitive to water conditions. [9]
Scientists have mapped the largest coral reef deep in the ocean, stretching hundreds of miles off the U.S. Atlantic coast. While researchers have known since the 1960s that some coral were present ...
[4] [5] The reef is located in the Coral Sea, off the coast of Queensland, Australia, separated from the coast by a channel 160 kilometres (100 mi) wide in places and over 61 metres (200 ft) deep. [6] The Great Barrier Reef can be seen from outer space and is the world's biggest single structure made by living organisms. [7]
The world’s largest deep-sea coral reef has been discovered off the East Coast: a massive 6.4 million acre seascape that stretches from Florida to South Carolina, according to National Oceanic ...
This area consists mainly of boulder corals and comprises about 100 Holocene patch reefs in a cluster on a ridge made of Pleistocene limestone. Miami Terrace Reef: Florida, United States This is a deep reef system that lies at 200 to 600 metres (656 to 1,969 ft) below sea level.
On a recent expedition, a group of ocean researchers discovered 85 miles of deep-sea coral reef off the coast of the southeastern US.