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Encyclopedia > Seal (mammal)
Pinnipeds

Juvenile Antarctic Fur Seal
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Suborder: Caniformia
Family: Pinnipedia
subfamilies

Otariidae
Phocidae
Odobenidae

Pinnipeds are large marine mammals belonging to the Pinnipedia, a family (sometimes a suborder or superfamily, depending on the classification scheme) of the order Carnivora. The true seals, sea lions, fur seals and Walrus are all pinnipeds.


Pinnipeds are typically sleek bodied and rather large. The smallest pinniped, the Galapagos Fur Seal weighs about 30 kg when full-grown and is 1.2 metres long; the largest, the male Southern Elephant Seal, is over 4 metres long and weighs up to 2,200 kg. All are carnivorous and live on fish, shellfish, squid, and other marine creatures.


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  Results from FactBites:
 
Seal (mammal) - MSN Encarta (1513 words)
While the limbs of seals have developed into flippers, the tail has practically disappeared, making seals different from other marine mammals, such as whales, dugongs, and manatees, which have lost their hind legs and use their powerful tails for swimming.
Seal muscles also store oxygen, and the spleen, an organ that stores oxygen-rich blood, is exceptionally large in seals, serving as a kind of biological scuba tank.
The Baikal seal inhabits Lake Baikal in southern Russia, believed to be the deepest lake in the world, and the Caspian seal lives in the vast Caspian Sea in southwestern Asia.
MSN Encarta - Print Preview - Seal (mammal) (648 words)
The northern fur seal is classified as Callorhinus ursinus, the harbour seal as Phoca vitulina, the Caspian seal as Phoca caspica, and the Baikal seal as Phoca sibirica.
The Mediterranean monk seal is classified as Monachus monachus, the Hawaiian monk seal as Monachus schauinslandi, the Caribbean monk seal as Monachus tropicalis, and the northern elephant seal as Mirounga angustirostris.
The southern elephant seal is classified as Mirounga leonina, the leopard seal as Hydrurga leptonyx, the Weddell seal as Leptonychotes weddelli, the Ross seal as Ommatophoca rossi, and the crabeater seal as Lobodon carcinophagus.
  More results at FactBites »

 
 

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