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

Tuna_ensnared

Bluefin Tuna in net

Atlantic bluefin tuna (Thunnus thynnus) ensnared near the mouth of the fish trap. Depth 25 meters. This tuna weighed 270 kilograms (approximately 600 pounds). Location: Favignana, Sicily, Italy. May 1998. Photographer: Danilo Cedrone (United Nations Food and Agriculture Organization). Source: https://commons.wikimedia.org/wiki/File:Tuna_ensnared.jpg