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Sharks are only smooth in one direction. They're smooth from front to back, but rough from back to front. https://passportocean.com/2019/12/11/shark-skin/ http
by Hamuko 4y ago
Sharks are only smooth in one direction. They're smooth from front to back, but rough from back to front.
https://passportocean.com/2019/12/11/shark-skin/ https://passportocean.com/2019/12/11/shark-skin/
- didgeoridoo 4y agoYou’re half right. They are smooth from front to back, but also, from back to front. (…sorry I shouldn’t have started this)
- amelius 4y agoThis explains why they mostly swim in the forward direction.