Remove the predators, and the whole ecosystem begins to crash like a house of cards. As the sharks disappear, the predator-prey balance dramatically shifts, and the health of our oceans declines.
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I flipped through a book on harp seals in the late 1970s and saw images of them swimming in emerald green pools of water surrounded by huge sheets of ice. Right then I was hooked, and I knew this was a story I wanted to do.
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I love storytelling, I love being a visual person, and it just made perfect sense to be an underwater photographer and explore the ocean and work with scientists.
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Most whale photos you see show whales in this beautiful blue water - it's almost like space.
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Under the snowcapped mountains of Fiordland National Park, freshwater streams empty into the saltwater fiords, creating a unique ecosystem. This is a heavily wooded park, so the water in the streams is stained with tannin, a substance found in plants that makes clean water seem dirty, though it isn't.
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For a photographer, sharks are a stirring subject, possessing a perfect blend of grace and power. They have been sculpted by evolution and are ideally suited for whichever ecosystem they inhabit, from coral reefs to the open ocean.
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For decades I have tried to peel back the layers of mystery surrounding many marine creatures, though most have held tightly to their secrets. One animal that keeps me pondering is the shark. Spellbound by these enigmatic animals since I first encountered them in New England, I never tire of watching their special blend of power and grace.
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The Oceanic White Tip is considered one of the most dangerous sharks in the sea along with the Great White and Tiger. It is responsible for some of the most famous episodes of man-eating in history, such as when the U.S.S. Indianapolis sank in 1945.
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I typically shoot underwater with my regular camera in an underwater housing, and then I usually have two big strobes that I use to light. But with whales, you're not going to be able to really light a 45-foot subject. Your strobes are only effective for maybe five or six feet underwater.
