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Matthew Smith captured a striking split image of a curious leopard seal beneath the Antarctic ice, using a custom extension he designed for his camera's underwater housing.

Emperor penguins are an integral part of the Antarctic food chain, in which they prey upon squid and small fish and are preyed upon by larger predators like the leopard seal and killer whale.

On January 1, Orde-Lees was skiing near the edge of the floe when a twelve-foot-long, fanged leopard seal lunged up out of the water and began humping toward him at astonishing speed.

As Orde-Lees had reached the opposite side of the floe, the leopard seal burst up out of the water in front of him, jaws agape.

The leopard seal now rushed toward Wild, who shot again and again.