FILE PHOTO: Meat from a 278kg bluefin tuna, priced with a bid over $3 million at Toyosu fish market's first tuna auction of the year, is pictured at Sushi Zanmai restaurant in Tokyo, Japan

FILE PHOTO: Meat from a 278kg bluefin tuna, priced with a bid over $3 million at Toyosu fish market’s first tuna auction of the year, is pictured at Sushi Zanmai restaurant in Tokyo, Japan