Photo of the Day

bluefin tuna in an undersea pen
February 17, 2014

Penned In

The fast and powerful bluefin tuna is among the most overfished species on Earth. Here, bluefin 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.

See more pictures from the March 2014 feature story “Quicksilver.”

Skerry talks about the soul of the sea on Proof »

Photograph by Brian Skerry, National Geographic

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