Just wear a mask so you don't breathe that nasty perlite dust while you handle it.
Stush, I imagine a large mammal might have tried to jump up there. Good thing there were no casualties.
More Euphorbias here. A young seedling medusa and her mother, in the same size pot.
And a different seedling medusa recently repotted to her final container, which she will eventually overgrow. This is the granddaughter of my original medusa (dearly departed) and the daughter of the one in the second picture.