Species on the Edge (of a Knife): Can bluefin tuna survive the sushi craze?

Salmon_and_Tuna_Nigiri_Sushi,_2008

Salmon and Tuna Nigiri Sushi, 2008

Salmon and Tuna Nigiri Sushi, 2008. Source: https://commons.wikimedia.org/wiki/File:Salmon_and_Tuna_Nigiri_Sushi,_2008.jpg