Ocean acidification could degrade sharks’ tough skin
Exposure to pH levels projected for 2300 damaged the denticles that make up sharkskin
![puffadder shyshark](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/12/121819_jl_shark_feat.jpg?fit=1028%2C579&ssl=1)
A puffadder shyshark swims just above the ocean floor. These cat sharks, native to the South African coast, can adapt their internal physiology to more acidified waters, a small experiment shows, but their toothlike skin experienced some corrosion.
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