The spiral tusk of this cetacean that inhabits the waters of the Arctic Ocean may reach a length of 10 feet
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Narwhals inhabit the cold waters of the Arctic Circle near northern... [DOC] [TLE] Whale | Open Access articles | Open Access journals | Conference ... [PAR] Whales inhabit all the world's oceans and number in the millions, with ... whales) 
possess discrete rudimentary appendages, which may contain feet and digits.