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Vertebrae of a stranded shark.

Vertebrae of a stranded shark.
Vertebrae of a stranded shark.
Vertebrae of a stranded shark.
Vertebrae of a stranded shark.
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197412
Hamady, Li Ling
Vertebrae of a stranded shark.
Still Image
12/29/2011
IMG_0735.JPG
Caption from Oceanus magazine, Vol. 49, No. 1 page 12:
Using vertebrae of stranded sharks (pictured here), graduate student Li Ling Hamady cuts a thin section showing distinct alternating light and dark layers of tissue, laid down sequentially over a shark's lifetime. Similar to tree rings, the layers may preserve a chemical record of environmental conditions sharks are exposed to and reveal their habits and habitats.
Photo by Li Ling Hamady
© Woods Hole Oceanographic Institution
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