No Bait! Fish May Respond to Sound

By JAY LINDSAY, Associated Press Writer

A six-month-old sea bass swims to the water surface in a tank at the Marine Biological Laboratory, in Wood's Hole, Mass., Tuesday, March 25, 2008. The fish live and grow in the tank at the laboratory until they are large enough to participate in an experiment where their behavior may be influenced by a sound broadcast into the water. (AP Photo/Steven Senne)

(AP) -- Call them Pavlov's fish: Scientists are testing a plan to train fish to catch themselves by swimming into a net when they hear a tone that signals feeding time.

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