The Safina Center

Coho salmon.Coho salmon.Photo taken by: Carl Safina

Species has a combination of problems such as overfishing, high bycatch, and poor management.
Tuna, Yellowfin (Maguro) – Atlantic, Unassociated Purse Seine These fish contain levels of mercury or PCBs that may pose a health risk to adults and children. Our source of information is  We also recommend that you check local advisories.

Yellowfin Tuna grow quickly, produce millions of eggs per spawning, and live up to 9 years. They are found throughout the world’s tropical and sub-tropical oceans. In the Atlantic Ocean, Yellowfin Tuna are at a low abundance and are considered depleted.

Purse seines that target free schools of tuna and do not use fish aggregating devices (FADs) are called unassociated purse seines.  The unassociated purse seine tuna fishery in the Atlantic occasionally catches endangered/ threatened sea turtles. This fishing method does not contact bottom ocean habitats.

Full species report here.

This fish may have moderately high levels of mercury that could pose a health risk to adults and children. More info here about mercury in tuna. Check out our mercury in seafood section.