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In the oceans of Earth some 539 million years ago (Cambrian period) new kinds of animals called arthropods started to appear These animals such as
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Large hard corals underwater photo dive site The Islands Dahab Gulf of Aqaba Red Sea Sinai Egypt Africa by Schoening
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Hard corals underwater photo dive site The Islands Dahab Gulf of Aqaba Red Sea Sinai Egypt Africa by Schoening
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Giant clam on hard coral underwater photo dive site The Islands Dahab Gulf of Aqaba Red Sea Sinai Egypt Africa by Schoening
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Spawning Cauliflower coral (Pocillopora meandrina) releasing both eggs and sperm into open ocean just after sunrise in Hawaii A Multiband butterflyfi
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unicorn-flanked by two species of birds
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unicorn-flanked by two species of birds
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Large nudibranch (Kentrodoris rubescens) crawling over hard coral (Scleractinia) Pacific Ocean Caroline Islands Yap Island Yap State Federated St
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Intact healthy small polyp stony coral (Scleractinia) reef-building coral hard coral stands growing in tropical coral reef Pacific Ocean Caroline Is
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The Similan Islands lie approximately 100 kilometres northwest of Phuket in the Andaman Sea In 1982 this 128 square kilometre area was declared a ma
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Christmas tree worm and ascidians on hard coral on Derawan Island; Derawan Island Borneo Indonesia by Darlyne Murawski Design Pics
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yellow tang (Zebrasoma flavescens species of Pacific tang)
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Hard Coral and Pencil Urchin (Heterocentrotus Mammillatus) underwater near La Perousse; Makena Maui Hawaii United States of America by Ron Dahlqu
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Small group of different hard corals (Scleractinia) and soft corals (Alcyonacea) with schooling anthias (Anthiinae) Red Sea Daedalus Reef Marsa Ala
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Left Acropora hard coral (Montipora tubercolosa) middle soft coral (Dendronephthya) orange top feather star (Comatulida) bottom sponge (Jaspis stel
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boring clam crocus clam crocea clam or saffron-coloured clam in a stone coral
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Philippine blue mussel (Modiolus philippinarum) grown into a stone coral
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Close up of the large polyped stony coral Halomitra pileus
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Ray Coral - Diploastrea heliopora
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The Similan Islands lie approximately 100 kilometres northwest of Phuket in the Andaman Sea In 1982 this 128 square kilometre area was declared a ma
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stony coral
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Feather star (Comanthus sp) on stone coral
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stone coral
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Mosaic fusilier Raja Ampat Indonesia
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Mosaic fusilier Raja Ampat Indonesia
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Mosaic fusilier Raja Ampat Indonesia
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Mosaic fusilier Raja Ampat Indonesia
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Mosaic fusilier Raja Ampat Indonesia
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Mosaic fusilier Raja Ampat Indonesia
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The Similan Islands lie approximately 100 kilometres northwest of Phuket in the Andaman Sea In 1982 this 128 square kilometre area was declared a ma
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Table Coral Raja Ampat Indonesia
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Coral Bleaching Raja Ampat Indonesia
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Coral Gardening Raja Ampat Indonesia
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Coral Gardening Project Raja Ampat West Papua Indonesia by Reinhard Dirscherl
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Coral Gardening Project Raja Ampat West Papua Indonesia by Reinhard Dirscherl
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Coral Gardening Project Raja Ampat West Papua Indonesia by Reinhard Dirscherl
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Coral Gardening Project Raja Ampat West Papua Indonesia by Reinhard Dirscherl
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Coral Reef Raja Ampat Indonesia
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Hard Coral Reef Raja Ampat West Papua Indonesia by Reinhard Dirscherl
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The Similan Islands lie approximately 100 kilometres northwest of Phuket in the Andaman Sea In 1982 this 128 square kilometre area was declared a ma
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Coral Reef Raja Ampat Indonesia
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Brain coral Raja Ampat Indonesia
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Species rich Coral Reef Raja Ampat West Papua Indonesia by Reinhard Dirscherl
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Coral Reef Raja Ampat Indonesia
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Coral Reef Raja Ampat Indonesia
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Hard Coral Reef Raja Ampat West Papua Indonesia by Reinhard Dirscherl
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Pristine Reef Top Raja Ampat West Papua Indonesia by Reinhard Dirscherl
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Coral Reef Raja Ampat Indonesia
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Coral Reef Raja Ampat Indonesia
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The Similan Islands lie approximately 100 kilometres northwest of Phuket in the Andaman Sea In 1982 this 128 square kilometre area was declared a ma
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Hard Coral Reef Raja Ampat West Papua Indonesia by Reinhard Dirscherl
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Coral Reef Raja Ampat Indonesia
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Hard Coral Reef Raja Ampat West Papua Indonesia by Reinhard Dirscherl
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Coral Reef Raja Ampat Indonesia
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Coral Reef Raja Ampat Indonesia
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Slate pencil sea urchins (Heterocentrotus mammillatus) color the foreground of this Hawaiian reef scene with three divers at Molokini Marine Preserve
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An Atlantis submarine and a small section of hard coral reef off the coast of Maui Hawaii USA; Maui Hawaii United States of America by Dave Fleet
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This Ember parrotfish (Scarus rubroviolaceus) is coming in for a bite of coral and algae Hawaii This is the terminal or final phase of a supermale e
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Raccoon butterflyfish (Chaetodon lunula) re often found in pairs and occasionally in large schools over a reef; Hawaii United States of America by D
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The Similan Islands lie approximately 100 kilometres northwest of Phuket in the Andaman Sea In 1982 this 128 square kilometre area was declared a ma
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Diver a coral head covered with gorgonian fans and a Golden damsel (Amblyglyphidodon aureus); Fiji by Dave Fleetham Design Pics
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Divers pictured cruising over a garden of hard coral off the Island of Lanai Hawaii USA; Lanai Hawaii United States of America by Dave Fleetham
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Table coral along with schooling anthias and various reef fish dominate this underwater scene Crystal Bay Nusa Penida Bali Island Indonesia in th
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View from above of a coral spawn slick drifting on the surface of the Pacific off the coast of Maui Hawaii USA; Maui Hawaii United States of Ameri
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Diver pictured cruising past a sand bottom and hard coral off the island of Maui Hawaii USA; Maui Hawaii United States of America by Dave Fleetha
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Diver pictured cruising over a garden of hard coral off the island of Maui Hawaii USA; Maui Hawaii United States of America by Dave Fleetham De
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Diver above various hard corals on a reef off the island of Yap Micronesia; Yap Federated States of Micronesia by Dave Fleetham Design Pics
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Diver above various hard corals on a reef off the island of Yap Micronesia; Yap Federated States of Micronesia by Dave Fleetham Design Pics
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Pair of Lionfish (Pterois volitans) over a hard coral reef and diver; Philippines by Dave Fleetham Design Pics
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The Similan Islands lie approximately 100 kilometres northwest of Phuket in the Andaman Sea In 1982 this 128 square kilometre area was declared a ma
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This substantial colony of lettuce coral (Turbinaria sp) forms a large section of the reef in shallow water in order to utilize as much sunlight as p
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Diver and reef scene with a Sunset wrasse (Thalassoma lutescens) and antler coral; Rarotonga Cook Islands by Dave Fleetham Design Pics
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Diver swimming over the reef at Molokini Marine Preserve Hawaii USA; Maui Hawaii United States of America by Dave Fleetham Design Pics
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Scuba diver in the Pacific Ocean with stands of antler coral and Hawaiian domino damselfish (Dascyllus albisella) endemic to Hawaii; Hawaii United S
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Split view with a shallow hard coral reef and schooling fish below and a palm tree covered tropical island above; Philippines by Dave Fleetham Desi
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Split view with a coral reef and Blacktip reef sharks (Carcharhinus melanopterus) below off Kadavu Island in the southeast corner of Fiji; Fiji by D
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A critically endangered Hawksbill sea turtle (Eretmochelys imbricata) glides over a hard coral reef in the pacific ocean in Fiji; Fiji by Dave Fleeth
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Split view with a shallow hard coral reef and schooling fish below and a palm tree covered tropical island above; Philippines by Dave Fleetham Desi
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Shallow water hard coral reef scene off the island of Kadavu Fiji; Fiji by Dave Fleetham Design Pics
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The Similan Islands lie approximately 100 kilometres northwest of Phuket in the Andaman Sea In 1982 this 128 square kilometre area was declared a ma
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Fire dartfish (Nemateleotris magnifica) are a common sight on the exposed hard bottom of the outer reef zone in the South Pacific but in Hawaii they
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A close look at the spawning polyps of cauliflower coral (Pocillopora meandrina) releasing both eggs and sperm into open ocean just after sunrise; Ha
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A close look at the spawning polyps of cauliflower coral (Pocillopora meandrina) releasing both eggs and sperm into open ocean just after sunrise; Ha
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Divers pictured with Yellowfin goatfish (Mulloidichthys vanicolensis) over a hard coral reef off the Island of Lanai Hawaii; Hawaii United States of
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Raccoon butterflyfish (Chaetodon lunula) can sometimes be found in large schools over the reef; Hawaii United States of America by Dave Fleetham D
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A close look at the spawning polyps of cauliflower coral (Pocillopora meandrina) releasing both eggs and sperm into open ocean just after sunrise; Ha
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A close look the spawning polyps of antler coral (Pocillopora eydouxi) releasing both eggs and sperm into open ocean just after sunrise; Hawaii Unit
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Helmet urchins (Colobocentrotus atratus) are also referred to as shingle urchins and armored urchins They are found on smooth rocky shorelines where
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Stained collector urchin (Pseudoboletia maculata) Philippines It is found in the western central Pacific Ocean This species is reef-associated and
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The Similan Islands lie approximately 100 kilometres northwest of Phuket in the Andaman Sea In 1982 this 128 square kilometre area was declared a ma
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Enormous bed of delicate hard coral along with schooling anthias and various reef fish dominate this underwater scene in the Pacific Ocean Crystal Ba
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Hard coral along with schooling anthias and various reef fish dominate this underwater scene in the Pacific Ocean Crystal Bay; Nusa Penida Bali Isla
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The Blacktail snapper (Lutjanus fulvus) reaches 13 inches in length and feeds mostly on small fish and crabs; Hawaii United States of America by Dav
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Teahupoo wave breaking hard over the coral reef
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Corals
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Changeable Hawk Eagle Juv Nisaetus cirrhatus Dudhwa Tiger Reserve Uttar Pradesh
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diver performing Thai Greeting in the Gulf of Thailand
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underwater landscape in the clear waters of the Gulf of Thailand
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Stony coral with sea squirt this overgrown by presumably calyx worms (Entroprocta)
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The Similan Islands lie approximately 100 kilometres northwest of Phuket in the Andaman Sea In 1982 this 128 square kilometre area was declared a ma
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