High-Tech Fish

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A small fish is behind a whopper of a tale. When Larry Mattson opened up a freshly caught trout, he found a tiny computer in the creature's belly, and one scientist's dream.

The computer and the fish were part of an extensive research project for several Indian tribes trying to preserve natural resources.

A year and a half ago, biologists put the data recorders inside 124 fish and released them back into the wild with a phone number tagged onto their backs. So far only eight people have caught the fish and dialed the number.

The data is extensive, recording depths, temperatures and distances the trout like to travel.

Most stayed within five miles of their original habitat. But Mattson's fish was an exception, it swam over 150 miles away from home and to depths of 400 feet.