Tuna Sets Record Price at $396K

Japan is the world's biggest consumer of seafood, with Japanese eating 80 percent of the Atlantic and Pacific bluefins caught. The two tuna species are the most sought-after by sushi lovers.

Fatty bluefin — called "o-toro" here — can sell for 2,000 yen ($24) per piece at high-end Tokyo sushi restaurants.

Japanese wholesalers, however, face growing calls for tighter fishing rules amid declining tuna stocks worldwide.

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