Sand tiger sharks return to shipwrecks off N.C. coast

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A study reveals shipwrecks off North Carolina's coast are important habitats for sand tiger sharks, whose population plummeted in the 1980 and 1990s. Photos taken months and even years apart by scuba divers show female sand tiger sharks returning to the same shipwrecks. The photos were uploaded to the citizen-science program Spot A Shark USA which used specialized software to ID the sharks.

from Sea Life News -- ScienceDaily http://bit.ly/2GzfCHo

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