Georgette Douwma / Gorgonian sea fan (Melithaea sp.) with Lyretail anthias (Pseudanthias sqamipinnis). Similan Islands, Andaman Sea, Thailand
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Georgette Douwma / Kaleidoscopic image of Gorgonian sea fan (Melithaea sp.) Similan Islands, Andaman Sea, Thailand.
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Alex Mustard / Detail of the pattern of a Bluelined grouper (Cephalopholis formosa). Richelieu Rock, Thailand. Andaman Sea, Indian Ocean.
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Alex Mustard / Redtail butterflyfish (Chaetodon collare) pair in front of a smooth Sea fan (Annella mollis). Butterflyfish regularly form stable pairs. Similan Islands, Thailand. Andaman Sea, Indian Ocean.
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Alex Mustard / A many host goby (Pleurosicya mossambica) perches, camouflaged on a smooth sea fan (Annella mollis).Similan Islands, Thailand. Andaman Sea, Indian Ocean.
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Alex Mustard / RF - Portrait of a Powderblue surgeonfish (Acanthurus leucosternon) on a coral reef. Similan Islands, Thailand. Andaman Sea, Indian Ocean. (This image may be licensed either as rights managed or royal...
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Alex Mustard / Christmas tree worm (Spirobranchus giganteus) growing out from a coral, next to a bed of algae. East Of Eden, Similan Islands, Thailand. Andaman Sea, Indian Ocean.
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Alex Mustard / Fusiliers including, Neon fusilier (Pterocaesio tile) and Randall's fusilier (Pterocaesio randalli) race past a coral reef in open water. East Of Eden, Similan Islands, Thailand. Andaman Sea, Indian...
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Georgette Douwma / RF - Bluespotted ribbontail ray (Taeniura lymma) with Cleaner wrasses (Lutjanus dimidiatus). Similan Islands, Andaman Sea, Thailand. (This image may be licensed either as rights managed or royalty fre...
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Alex Mustard / Coral grouper (Cephalopholis miniata) guarding its territory on a colourful coral reef. East Of Eden, Similan Islands, Thailand. Andaman Sea, Indian Ocean.
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Alex Mustard / Cleaner wrasse (Labroides dimidiatus) swims out from the gill of a Blue spotted pufferfish (Arothron caeruleopunctatus). East of Eden, Similan Islands, Thailand. Andaman Sea, Indian Ocean.
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Alex Mustard / Flame anthias (Pseudanthias ignitus) displaying to the more drab female (above) during courtship in the evening. Similan Islands, Thailand. Andaman Sea, Indian Ocean.