Just adding further to this, when the hubby and I were in Korea, we went to a restaurant, and hubby ordered Sannakji…it’s octopus served live and raw…and still moving on the plate…yerrrcchhhh…
I stuck to the Blowfish (known as BokUh in S.Korea and Fugu in Japan)…i’d rather eat that, than a live octopus… 
Anybody up for trying those?? 