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A scuba diver explores elkhorn corals growing on a tropical reef.
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Exploring a Reef

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a sunken propeller becomes overtaken by a reef with two scuba diver in the background
Article

When Wrecks Become Reefs

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This photograph of Gerardia sp. was taken at the Cross Seamount in the Pacific Ocean at a depth of 400 m (1,312 feet).
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Gold Coral Close-up

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A piece of the Hyperbolic Crochet Coral Reef exhibit.
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A Rainbow of Crocheted Corals

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Many species of pink coralline algae, which cements coral reefs together, cover a reef surface in the Southern Line Islands.
Article

Coralline Algae: The Unsung Architects of Coral Reefs

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In some reefs, small fishes such as this broad-barred goby protect corals by eating invading seaweeds.
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Coral Goby Cleans Coral

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Nuclear bomb in Bikini Atoll
Article

Naturally Resilient

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Syllid fireworms can be found mainly on the seafloor, but they switch to a planktonic form to reproduce, where the females use bioluminescent signals.
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Syllid Fireworms

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 Scientist Martha Nizinski holds a specimen of a fan sponge (Phakellia sp.) collected at a deep-sea coral study site off the coast of South Carolina.    
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Fan Sponge

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Using dynamite to stun or kill bigger fish to sell at market leaves behind many dead undesired fish as bycatch.
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Fishing with Dynamite

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The coral reefs of Ujung Kulon National Park in Indonesia, a World Heritage site, are dominated by a small number of coral species and support some of the richest fish fauna in the Indonesian archipelago.
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Ujung Kulon National Park, Indonesia

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The Peninsula Valdes in Argentina was inscribed on the World Heritage List in 1999. The site is home to important breeding populations of the endangered southern right whale (Eubalaena australis), southern elephant seal (Mirounga leonina), and southern sea
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Marine World Heritage Photo Gallery

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