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Close-up of a piece of shark skin where the dermal denticles or bristles are sharp enough to feel like sandpaper Stock Photo - Alamy
![Did you know shark skin feels similar to sandpaper? It is made up of tiny teeth-like structures call placoid scales, … | Shark swimming, Aircraft design, Shark week Did you know shark skin feels similar to sandpaper? It is made up of tiny teeth-like structures call placoid scales, … | Shark swimming, Aircraft design, Shark week](https://i.pinimg.com/736x/c0/cd/52/c0cd522c2882d2f44c0dafa48216277b.jpg)
Did you know shark skin feels similar to sandpaper? It is made up of tiny teeth-like structures call placoid scales, … | Shark swimming, Aircraft design, Shark week
![The Shark Gallery - Shark Facts and Information - Including Prehistoric Sharks and Fossil Shark Teeth: Fossilguy.com The Shark Gallery - Shark Facts and Information - Including Prehistoric Sharks and Fossil Shark Teeth: Fossilguy.com](https://www.fossilguy.com/gallery/vert/fish-shark/shark-skin-denticles-zoom-in.jpg)