Thresher shark pups, Alopias sp., Nanfang'ao fish market, Suao, Taipei, Taiwan (Republic of China)

An adult Weddell seal (Leptonychotes weddellii) hauled out and resting on ice on Petermann Island near the Antarctic Peninsula.

Antarctic fur seal (Arctocephalus gazella) pups mock-fighting at the abandoned whaling station at Grytviken on the island of South Georgia, southern Atlantic Ocean.

Antarctic fur seal (Arctocephalus gazella) pups at the abandoned whaling station at Grytviken on the island of South Georgia, southern Atlantic Ocean.

Antarctic fur seal (Arctocephalus gazella) pup at the abandoned whaling station at Grytviken on the island of South Georgia. Atlantic Ocean.

Antarctic fur seal (Arctocephalus gazella) pup at the abandoned whaling station at Stromness on the island of South Georgia, southern Atlantic Ocean.

Antarctic fur seal (Arctocephalus gazella) pups at the abandoned whaling station at Grytviken on the island of South Georgia, southern Atlantic Ocean.

An adult Weddell seal (Leptonychotes weddellii) hauled out with mouth wide open (notice the cleft in the end of the tongue) on ice on Petermann Island near the Antarctic Peninsula.

An adult leopard seal (Hydrurga leptonyx) hauled out and resting among the icebergs in the Ererra Channel near the west Coast of the Antarctic peninsula, southern ocean. This seal is the only pinniped known to have attacked and killed a human being in Ant

Mother and pup (nursing) southern elephant seal (Mirounga leonina) on the beach at President Head on Snow Island in the South Shetland Island Group, Antarctica. This species is the largest pinniped in the world, with males attaining lengths of 6. 5 m and a

An adult leopard seal (Hydrurga leptonyx) hauled out and resting among the icebergs in the Ererra Channel near the west Coast of the Antarctic peninsula, southern ocean. This seal is the only pinniped known to have attacked and killed a human being in Ant

Newborn southern elephant seal (Mirounga leonina) on the beach at President Head on Snow Island in the South Shetland Island Group, Antarctica. Newborns exhibit a dark brown "lanugo" coat for about three weeks, which is then replaced by a silver-grey coat

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