A new delicacy invented by the Japanese and accepted world-wide is eating raw fish.

Answer

These kuffaar are displaying the barbarism and savagery which are natural attributes of kufr. According to the Qur'aan they are viler than animals. It is haraam to follow the kuffaar into the "lizard's hole", and to so despicably and obsequiously emulate their ways of savagery. It is not permissible for Muslims to behave like animals and like these kuffaar worshippers of Shaitaan.