In Taíno culture, the hupia (also opia, opi'a, op'a, operi'to) is the spirit of a person who has died. In Taíno spiritual beliefs, hupias (ghost spirits of those who had died) were contrasted with , spirits of the living. While a living goieza had definite form, after passing away the spirit was released as a hupia and went to live in a remote earthly paradise called . Hupias were believed to be able to assume many forms, sometimes appearing as faceless people or taking the form of a deceased loved one. Hupias in human form could always be distinguished by their lack of a navel. Hupias were also associated with bats and said to hide or sleep during the day and come out at night to eat guava fruit.