Tuna » Bluefin tuna
Hon Maguro, Toro (belly) (sushi names)
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Eco-Worst Choice |
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| Avoid or eat infrequently until improvements are made | ||
Health Alert
Elevated levels of mercury, PCBs.
- Women and kids should not eat at all.
- Men should limit their meals.
Recommendations |
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Eco-Best |
Eco-OK |
Eco-Worst |
Details About Bluefin tuna
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Bluefin tuna, highly prized for its flesh, is popular for sushi and sashimi.  a.k.a. Thunnus thynnus, giant bluefin, northern bluefin tuna, tunny, oriental tunaHealth DetailsThis is an Eco-Worst choice. If you decide to eat it, we recommend the following due to elevated mercury, PCBs levels:
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Eco Details
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More About Bluefin tuna
One of the fastest fish in the sea, the bluefin migrates widely. It is known to reach over 12 feet (3.8 meters) and up to 680 kg.
Commercial Sources
Bluefin tuna are found in the Atlantic and Pacific Oceans. In the eastern Atlantic, they occur from Norway to the Canary Islands, including the Mediterranean and Black Seas. In the western Atlantic, they range from Labrador and Newfoundland to the Gulf of Mexico and the Caribbean Sea.
In addition, there is a southern population off Venezuela and Brazil. In the Pacific, they range from the Gulf of Alaska to Baja California, Mexico, and from the southern Sea of Okhotsk to the northern Philippines. They have also been reported off South Africa.
Capture Methods
Bluefin tuna come from marine fisheries, not fish farms. They are primarily caught with purse seines, longlines, troll lines and trap nets. Additional types of fishing gear include harpoons, handlines, pole-and-line and nets.
This guide is produced in collaboration with the Monterey Bay Aquarium.
