White Shark Vertebra (IMAGE)

Woods Hole Oceanographic Institution

White Shark Vertebra

Caption

Estimating age in white sharks can be challenging. While vertebrae are constructed of layers of tissue, laid down sequentially over an individual's lifetime, the alternating light/dark banding patterns can be narrow and less distinct than in other species, and the bands don't necessarily signify annual growth.

Credit

Tom Kleindinst, Woods Hole Oceanographic Institution

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