Researchers discover biological hydraulic system in tuna fins

Cutting through the ocean like a jet through the sky, giant bluefin tuna are built for performance, endurance and speed. Just as the fastest planes have carefully positioned wings and tail flaps to ensure precision maneuverability ...

Radioactive bluefin tuna crossed the Pacific to US

Across the vast Pacific, the mighty bluefin tuna carried radioactive contamination that leaked from Japan's crippled nuclear plant to the shores of the United States 6,000 miles away - the first time a huge migrating fish ...

Chicken of the sea? Tuna farming getting a boost

(AP) -- Thousands of tuna, their silver bellies bloated with fat, swim frantically around in netted areas of a small bay, stuffing themselves until they grow twice as heavy as in the wild. Is this sushi's future? Tuna raised ...

How tuna stay warm with cold hearts

Scientists at The University of Manchester, working with colleagues at Stanford University in America, have discovered how prized bluefin tuna keep their hearts pumping during temperature changes that would stop a human heart. ...

Pacific tuna cutbacks 'fall short of expectations'

Cutbacks to tuna fishing agreed at a crucial Pacific regional fisheries conference to prevent over-fishing have fallen short of expectations, the head of the fisheries management body said Saturday.

Japan sushi boss pays $117,000 for endangered tuna

A Japanese sushi boss paid more than $117,000 Tuesday for a giant bluefin tuna as Tokyo's Tsukiji fish market held its last New Year auction ahead of a much-needed modernisation move.

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