Alex Mustard / Grooved brain coral (Diploria labyrinthiformis) at night with polyps extended to feed, Grand Cayman, Cayman Islands, British West Indies. Caribbean Sea.
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Alex Mustard / Boulder brain coral (Colpophyllia natans) photographed with a long exposure with camera rotation. Taken with circular fisheye lens. Grand Cayman, Cayman Islands. Caribbean Sea.
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Juergen Freund / Fluorescent corals (Trachyphyllia geoffroyi) Great Barrier Reef, Australia
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Alex Mustard / Brain coral (Pseudodiploria strigosa) photographed under blue light to excite the fluorescence, Little Cayman, Cayman Islands, British West Indies, Caribbean Sea.
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Juergen Freund / Large round Brain coral (Platygyra lamellina) on coral reef, North Sulawesi, Indonesia.
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Juergen Freund / Large round Brain coral (Platygyra lamellina) on coral reef, North Sulawesi, Indonesia.
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Juergen Freund / Coral reefs exposed by the April 2nd 2007 earthquake that lifted the island of Ranongga by 3m, Solomon Islands, Pacific, July 2010.
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Juergen Freund / Coral reefs exposed by the April 2nd 2007 earthquake that lifted the island of Ranongga by 3m, Solomon Islands, Pacific, July 2010.
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Juergen Freund / Hard brain coral (Platygyra sp) half covered with a pink algae, Moluccas Islands, Indo-pacific
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Tim Laman / Split level of Brain coral growing around the underwater portions of Red mangrove roots {Rhizophora mangle} on offshore mangrove island, Tunicate Cove, Belize.
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Doug Perrine / Giant brain coral provides shelter for Grunts and Squirrelfish, Florida Keys, USA.
