Species has a combination of problems such as overfishing, high bycatch, and poor management.
Tuna, Bigeye (Maguro) – Atlantic, Pole & TrollThese 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.

Bigeye Tuna are a large fish, growing to over 200 kg (440 lbs), and are found throughout the Atlantic, Pacific, and Indian Oceans. They grow reasonably fast, can release millions of eggs each year, and can live to 10 years. In the Atlantic Ocean, high fishing levels on Bigeye Tuna have depleted the population.

Fishing with pole and line or troll is highly selective, resulting in minimal catches of non-target species. However, in the Atlantic, Bigeye Tuna are caught along with depleted Yellowfin Tuna. These fishing methods cause little to no damage to bottom habitats.

Full species report here.

This fish may have 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.