The Seal The seal is a marine mammal that belongs to the family of pinníedos that unlike cetaceans, are not fully adapted to water and carry out part of his life out of the water. Currently, there are 19 species worldwide. Its habitat is located in coastal areas if they are not tropical. Normally, are located in areas Arctic and Antarctic. Their physical characteristics are more in line with marine life not with the land, in fact their limbs are perfect for swimming fins, but to move ashore are clumsy. To move out of the water, reptan driven to the abdomen. His elongated body is covered with a dense layer of short hair, although the strong protection against temperatures are providing the layer of subcutaneous fat that can contribute up to one quarter of its total weight. According to the species to which they belong have a different weight, as well as its length and even his longevity. They are great swimmers and come to submerge up to 600 meters deep at sea. They feed on fish, shellfish, plankton and even some animal species apresan other smaller. Their predators are sharks, killer whales, polar bear, but the biggest thing is we human beings. The descarnizadas hunts and water pollution are their worst enemies. Many species are seriously threatened, the marketing of their skin and drag the conflict for decades.

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