Pufferfish, known locally as fugu, swim in a tank at Japanese restaurant Torafugu-tei in Tokyo. Every year in Japan people are hospitalised after eating pufferfish; sometimes the result is fatal. But despite apparent dangers, strict rules on serving the toxic delicacy in Tokyo are to be relaxed.
Aficionados say the tingle that the meat of the pufferfish leaves on your lips is part of the appeal
