Related topics: fish

A controversial comeback for a highly prized tuna

On a drizzling summer afternoon in South Portland, marine biologist Walt Golet is helping attach a quarter-ton Atlantic bluefin tuna to a heavy crane so it can be weighed as part of New England's premier tournament for the ...

Expansion of tuna quotas 'step backward' for conservation

The 51-nation tuna fisheries body for the Atlantic and Mediterranean boosted quotas for highly prized bluefin despite scientific findings that doing so could threaten the species' recovery, delegates and observers at a key ...

Here's why your sustainable tuna is also unsustainable

Tuna is one of the most ubiquitous seafoods. It can be eaten from a can or as high-end sashimi and in many forms in between. But some species are over-fished and some fishing methods are unsustainable. How do you know which ...

Why your tuna could have 36 times more chemicals than others

Researchers at Scripps Institution of Oceanography at the University of California San Diego found levels of persistent organic pollutants as much as 36 times higher in the muscle tissue of yellowfin tuna caught in the more ...

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 ...

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