Image 2 (IMAGE)

Florida Museum of Natural History

Image 2

Caption

The skin of sharks and rays are covered in a layer of denticles, which are essentially microscopic teeth. Thorny skates get their namesake from their sickle-shaped barbs that are made from the same material.

Credit

Florida Museum photo by Kristen Grace

Usage Restrictions

Credit must be given to the creator.

License

CC BY

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