Fugu is considered a delicacy despite the potential dangers; for decades, the Tokyo prefecture required chefs to obtain a special license to serve the fish. That regulation was loosened in October 2012, allowing non-certified restaurants to prepare the fish as well (much to the ire of the chefs who spent time and money getting their fugu training).

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Finding the two remaining blowfish is a public health priority, as the toxin in their bodies can “paralyze motor nerves, and in a serious case cause respiratory arrest leading to death,” regional officials said in a warning statement reported by the Guardian. Best to turn down any fugu dinner party invitations until all the fish have been recovered.