Every May 2, people around the globe celebrate World Tuna Day. The United Nations set aside this day to recognize the cultural, ecological, and economic significance of tuna and to highlight the importance of managing these fish stocks sustainably.
Tuna are among the most commercially important fish in the world, with the seven largest fisheries worth approximately $42.5 billion annually. But the huge demand for tuna—primarily as pricey sushi; tuna steaks; and mass-produced, affordable canned fish—has resulted in overfishing and mismanagement of many tuna populations.
But how much do you know about the various tuna species?
Test your knowledge by taking this quiz.