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Hawaii News

Devices reveal some undersea surprises

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COURTESY MARK ROYER
An electronic satellite transmitter is visible on a tiger shark. Studies of the sharks around Maui, Molokai and Lanai have shown that they roam nearshore reefs more often than previously believed.
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COURTESY MELINDA HOLLAND
Electronic tracking devices, attached at the surface, are giving marine biologists a glimpse into the habits of sea life, both in the deep ocean and in nearshore waters.