Tsukiji fish market<span>, Tokyo, Japan; the </span>world's largest fish market<span>, marketing about 660,000 tonnes a year. La Nueva Viga </span>Market<span>, Mexico City, Mexico; the </span>world's<span> second </span>largest fish market<span>. Marketing from 250,000 up to 550,000 tons of </span>seafood<span> a year.