President of sushi restaurant chain Sushi-Zanmai, Kiyoshi Kimura, displays a 180kg bluefin tuna at his main restaurant near Tokyo's Tsukiji fish market on January 5, 2015. The bluefin tuna was traded at 4.5 million yen (37,500 USD) at the wholesale market on the first trading day of the new year. AFP PHOTO / Yoshikazu TSUNO