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Wisdom Wednesday 8/14/2019

Shore Buddies Wisdom Wednesday

Wisdom Wednesday shark photo for Shore Buddies

Photo by @marina_oceanlove

Sharks don’t have bones, but they still can fossilize. As most sharks age, they deposit calcium salts in their skeletal cartilage to strengthen it. The dried jaws of a shark appear and feel heavy and solid; much like bone. Shark skin feels exactly like sandpaper because it is made up of tiny teeth-like structures. They can go into a trance when they are flipped upside down. Aging a shark is similar to aging a tree - scientists age sharks by counting the rings on their vertebrae. A whale shark’s spot pattern is like a unique fingerprint.

Source: https://www.fisheries.noaa.gov/feature-story/12-shark-facts-may-surprise-you

 

 

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