Fugu Fish hotpot and Sushimi. Fugu (瘝唾? or 敿? ????) is the Japanese word for pufferfish and the dish prepared from it. The restaurant preparation of fugu is strictly controlled by law in Japan and several other countries, and only chefs who have qualified after three or more years of rigorous training are allowed to prepare the fish.Domestic preparation occasionally leads to accidental death. This restaurant is a Fugu Fish speciality restaurant. Everybody orders Fugu fish in the restaurant.