The Mediterranean's Tuna Wars

LORENA ROS for TIME

FISH FIGHT: Industrial companies employ big, expensive equipment to find, catch and fatten tuna; traditional fleets, using techniques from ancient times, above' are no match

In the pitch blackness before dawn one morning in late may, four boats belonging to Diego Crespo Sevilla chug out of a port in southwest Spain to enact an elaborate marine ambush. About 50 fishermen drop hundreds of red markers, attached to nets, which bob for nearly 2 km along the water's surface, forming rows as neat as traffic lanes on a highway. Then they maneuver their boats to form a wide square, and they wait. As the sun rises an hour [an error occurred while processing this directive] later, a drama begins to unfold. Nearly 200 huge tuna glide through the lanes...

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