Yamamoto, 57, was on his boat when he heard that a 276-kilogram bluefin tuna he landed sold at the first auction of the year at the Toyosu fish market in Tokyo on Jan. 5. The winning bid of 193.2 ...

There are strict limits on quota, with each of the 10 licensed boats permitted 3.9 tonnes ... There is no way we can damage stocks of blue fin tuna when there are so many in our waters." ...