Listening to a lecture on poisons by Vodovozov. He mentioned jellyfish stinging cells. Searched for papers about them.
Found an interesting fact. The article linked from the post claims that high-speed photography showed that the acceleration of the stinging thread is up to 5410000g – meaning it accelerates to 100 km/h within the diameter of a human hair.
https://www.cell.com/current-biology/fulltext/S0960-9822(06)01422-9
Hi, I'm Rauf Aliev. 