It is the king of fish. It helped build civilizations. It is superfast. And it is perilously overfished. Bluefin tuna in an undersea pen in the Mediterranean are fattened for the booming sushi market. These fish were taken from the wild, reducing the potential breeding population. Image © Brian Skerry/National Geographic
Spanish fishermen haul in tuna that they have trapped in a maze of nets. This ancient Mediterranean technique, known as almadraba, is dying out as bluefin numbers dwindle.
A voracious predator, the bluefin feeds mainly on small fish, crustaceans, and squid. But it too is pursued relentlessly as the human appetite for its flesh continues to grow.
Images are from the March issue of National Geographic magazine.
source National Geographic
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