A prospective buyer inspects the quality of fresh tuna fish before the first auction of the year at Tsukiji fish market in Tokyo, early Thursday, January 5, 2017. (Photo by Eugene Hoshiko/AP Photo)





A prospective buyer inspects the quality of fresh tuna fish before the first auction of the year at Tsukiji fish market in Tokyo, early Thursday, January 5, 2017. (Photo by Eugene Hoshiko/AP Photo)





Prospective buyers inspect the quality of frozen tuna before the first auction of the year at Tsukiji fish market in Tokyo, early Thursday, January 5, 2017. (Photo by Eugene Hoshiko/AP Photo)





Auctioneers raise their hands as they start the New Year's auction of the frozen tuna while wholesalers check the quality of frozen tuna displayed at the Tsukiji fish market in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





A prospective buyer inspects the quality of frozen tuna before the first auction of the year at Tsukiji fish market in Tokyo, early Thursday, January 5, 2017. (Photo by Eugene Hoshiko/AP Photo)





Prospective buyers inspect the quality of frozen tuna fish before the first auction of the year at Tsukiji fish market in Tokyo, early Thursday, January 5, 2017. (Photo by Eugene Hoshiko/AP Photo)





Kiyoshi Kimura, center, president of Kiyomura Co., poses with the bluefin tuna he made a winning bid at the annual New Year auction, at his Sushi Zanmai restaurant near Tsukiji fish market in Tokyo, early Thursday, January 5, 2017. The Japanese sushi chain boss bid a winning 74.2 million yen ($632,000) Thursday for the 212 kilogram (466 pound) bluefin tuna in what may be Tsukiji market's last auction at its current site in downtown Tokyo. (Photo by Eugene Hoshiko/AP Photo)





Kiyoshi Kimura (2nd from L), president of sushi restaurant chain Sushi-Zanmai, poses with the 212 kg bluefin tuna he won bid for 74 million Japanese yen ( approximately US $632,000 ) at at the Tsukiji fish market in Chuo Ward, Tokyo on January 5, 2017. The endangered bluefish tuna fetched the second highest price in history at the New Year's market auction. (Photo by The Yomiuri Shimbun via AP Images)





Kiyomura Co's President Kiyoshi Kimura (C), who runs a chain of sushi restaurants Sushi Zanmai, poses with a 212 kg (467 lbs) bluefin tuna at his sushi restaurant outside Tsukiji fish market in Tokyo, Japan, January 5, 2017. Kimura won the bid for the tuna caught off Oma, Aomori prefecture, northern Japan, with a 74 million yen (633,000 USD) at the fish market's first tuna auction this year. (Photo by Issei Kato/Reuters)





Kiyomura Co's President Kiyoshi Kimura (L), who runs a chain of sushi restaurants Sushi Zanmai, poses with a 212 kg (467 lbs) bluefin tuna at his sushi restaurant outside Tsukiji fish market in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





Kiyomura Co's President Kiyoshi Kimura (C), who runs a chain of sushi restaurants Sushi Zanmai, holds a sword as he poses with a 212 kg (467 lbs) bluefin tuna at his sushi restaurant outside Tsukiji fish market in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





Kiyomura Co's President Kiyoshi Kimura (C), who runs a chain of sushi restaurants Sushi Zanmai, holds a sword as he poses with a 212 kg (467 lbs) bluefin tuna at his sushi restaurant outside Tsukiji fish market in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





Wholesalers check the quality of fresh tuna displayed at the Tsukiji fish market before the New Year's auction in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





Wholesalers check the quality of fresh tuna displayed at the Tsukiji fish market before the New Year's auction in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





A wholesaler checks the quality of fresh tuna displayed at the Tsukiji fish market before the New Year's auction in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





Wholesalers check the quality of fresh tuna displayed at the Tsukiji fish market before the New Year's auction in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





A wholesaler checks the quality of frozen tuna displayed at the Tsukiji fish market before the New Year's auction in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





Wholesalers check the quality of frozen tuna displayed at the Tsukiji fish market before the New Year's auction in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





Wholesalers check the quality of frozen tuna displayed at the Tsukiji fish market before the New Year's auction in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





An auctioneer (R) raises his hand as he starts the New Year's auction of the frozen tuna while wholesalers check the quality of frozen tuna displayed at the Tsukiji fish market in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





A wholesaler shows a hand sign to an auctioneer during the New Year's auction of the frozen tuna at the Tsukiji fish market in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





A wholesaler checks the quality of fresh tuna displayed at the Tsukiji fish market before the New Year's auction in Tokyo, Japan, January 5, 2017. (Photo by Issei Kato/Reuters)





Prospective buyers inspect the quality of fresh tuna fish before the first auction of the year at Tsukiji fish market in Tokyo, early Thursday, January 5, 2017. (Photo by Eugene Hoshiko/AP Photo)





Kiyoshi Kimura (C), president of sushi restaurant chain Sushi-Zanmai, poses with a 212-kilogram bluefin tuna at his main restaurant near the Tsukiji fish market in Tokyo on January 5, 2017. The bluefin tuna was traded at 74.2 million yen (about 632,600 USD) at the wholesale market on the first trading day of the new year. (Photo by Toshifumi Kitamura/AFP Photo)