Ramón Bonfil, a conservation scientist and shark specialist with the Bronx-based Wildlife Conservation Society, prepares to hand-fit a great white shark with a motion-tracking satellite tag.

Bonfil's capture technique includes a heart-pumping face-to-face meeting with the king of the ocean food chain. "It's a potentially dangerous situation, but we try to minimize the risk for both the scientists and the sharks," Bonfil said.

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