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Leafy Sea Dragon

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Fish have been evolving in Earth's oceans for 500 million years. Some, like this leafy sea dragon, have used their time well, adapting some of the most ornate and effective camouflage of any creature on the planet. These striking sea horse relatives are found only in the drifting seaweed and undersea forests of Australia.

Buy the book Planet Ocean for more photos.

Photograph by Laurent Ballesta

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Photo Contest

Think your photo is the "Ultimate" winner? Submit your best in six different categories.

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Photo Gallery

See how Lipton is dedicated to sustainable agriculture. View photos from Boyd Matson's trip to Africa.

Photo Tip of the Week

Smile!

Always read up about native customs before traveling to a foreign culture. Always smile.

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Photography Guides

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Guides by National Geographic photographers.

Photography Books

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Own collections of world-renowned photography.

Green Effect: Vote Soon

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Whose Earth-saving idea should win $20,000? Check out the finalists now, and vote July 7-20!