In Inuit mythology, Sedna (Inuktitut Sanna, แดแแ) is the goddess of the sea and marine animals such as the seals. A creation myth, the story of Sedna shows how she came to rule over Adlivun, the Inuit underworld. Sedna is also known as Arnakuagsak or Arnarquagssaq (Greenland) and Nerrivik (northern Greenland) or Nuliajuk (District of Keewatin, Northwest Territories). she is sometimes known by other names by different Inuit groups such as Arnapkapfaaluk (big bad woman) of the Copper Inuit from the Coronation Gulf area and Takannaaluk (Igloolik).