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Friday, June 6, 2008 - Page updated at 06:35 PM

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Mexico to track sharks through sonar

ACAPULCO, Mexico —

A scientist says experts will use sonar to track sharks off Mexico's Pacific Coast in the hopes of preventing new attacks on humans.

Government officials had previously said scientists would monitor sharks by satellite.

But shark expert Jose Castillo said Friday that would be too expensive. He said scientists would instead attach acoustic transmitters on the sharks and install sonic receptors on ocean floors to track them.

Sharks recently killed two surfers and wounded a third near the southwestern resort of Ixtapa-Zihuatanejo.

Castillo is presenting the project to the government for approval in 15 days. He said sonic receptors would also be installed on beaches where attacks occurred to warn beachgoers of any shark presence.

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