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Olive-brown sea snake
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Olive-brown sea snake swimming over sea floor
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Olive-brown sea snake, close up
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Olive-brown sea snake, head detail
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Olive-brown sea snake scales showing tubercles developed during mating season
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Olive-brown sea snake swimming amongst fish
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Olive-brown sea snake in shallows
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Male olive-brown sea snake courting female
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Olive-brown sea snakes mating
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Olive-brown sea snakes mating
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Researcher handling and milking olive-brown sea snake