Mahimahi, commonly known as dolphinfish, grow and mature quickly – meaning they have limited exposure to toxins before they are caught. Look for troll- or pole-caught fish, as long lines have lots of bycatch, including sea turtles and sharks.
Credit: Getty Images
The 2014 Adventure Issue
From Iceland's Highway 1 to Utah's Canyonlands, an epic itinerary for modern explorers.
Plus: Building a Bigger Action Hero
ON NEWSSTANDS NOW
Duke Lacrosse and the Fog of Scandal
How Thailand's Most Notorious Prison Became a Fight Club
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