When the Monterey Bay Aquarium put a great white shark on exhibit last fall, officials said they didn't expect it to eat other animals on display. Since exhibit animals are fed regularly, "incidents of animals eating one another are rare," the aquarium said.

But the 100-pound great white, now 5 1/2 feet long, took a bite out of two soupfin sharks at the aquarium in the past few weeks. Both of the soupfins died of their wounds.

Michele Norris speaks with Randy Kochevar, a marine biologist at the Monterey, Calif., aquarium, about the attacks.

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