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Tridacna derasa, Tobias Reef, Queensland, Australia, 1 of 2, Photo: Andrew Green
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Tridacna derasa, Tobias Reef, Queensland, Australia, 2 of 2, Photo: Andrew Green
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Tridacna derasa, Coral Sea, Australia, Photo: Ian Shaw
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Tridacna derasa, Great Barrier Reef, Australia, Photo: Graham Edgar
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Tridacna derasa, Rowley Shoals, Western Australia, Photo: Graham Edgar
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Tridacna derasa, Flinders Reef, Coral Sea, Photo: Andrew Green
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Tridacna derasa, Swains Reefs, Coral Sea 1 of 2, Photo: Andrew Green
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Tridacna derasa, Swains Reefs, Coral Sea, 2 of 2, Photo: Andrew Green