Catch limits were implemented for the first time in the eastern Pacific Ocean in 2012, but they're not enough to protect bluefin. Since 1970, western Atlantic bluefin tuna have declined by about 70 ...

The global conference introduced catch quotas for each member in 2015 to prevent overfishing after bluefin tuna numbers in the Pacific Ocean plummeted from 156,000 tons in 1961 to 11,000 tons in 2010.