 The silky shark ( Carcharhinus falciformis ) , also known by numerous names such as blackspot shark , grey whaler shark , olive shark , ridgeback shark , sickle shark , sickle @-@ shaped shark , and sickle silk shark , is a species of requiem shark , in the family Carcharhinidae , named for the smooth texture of its skin . It is found in the western Indian Ocean and eastern Pacific Ocean .
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