Dr. Salvador Jorgensen holds a satellite tag that popped off a great white shark during the 2011 fall tagging season off the Farallon Islands. Genetic information and tracking data from tagged sharks help the program uncover mysteries about the world's most maligned ocean predator. © Monterey Bay Aquarium

Dr. Salvador Jorgensen holds a satellite tag that popped off a great white shark during the 2011 fall tagging season off the Farallon Islands. Genetic information and tracking data from tagged sharks help the program uncover mysteries about the world's most maligned ocean predator. © Monterey Bay Aquarium