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Discovery

Scientists Use Seals as "Underwater Eyes"

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Photo of seal with fish in its mouth

A Weddell seal displays its catch--a toothfish (Dissostichus mawsoni). The "seal cam," attached to the seal's back, enabled researchers to see what goes on underneath the Antarctic ice.

Credit: Randall Davis, Texas A&M University

 

Fish under the ice

Swimming beneath the Antarctic ice, a bald rockcod (Pagothenia borchgrevinki) is photographed by "seal cam."

Credit: Randall Davis, Texas A&M University

 

seal with seal cam

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Video of Weddell seal equipped with "seal cam".

Credit: National Science Foundation

 

Map of seal's journey

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Animation of seal's journey.

Credit: Lee Fuiman, University of Texas at Austin