A sushi chef prepares plates of tuna sushi at a Sushi Zanmai sushi restaurant, operated by Kiyomura K.K., in Tokyo, Japan, on Monday, Jan. 5, 2015. Kiyomura purchased a 180 kilogram (397 pound) tuna for 4.51 million yen ($37,438) at the year's first auction at Tsukiji Market. Photographer: Akio Kon/Bloomberg via Getty Images
