Although the Ijaw are now primarily Christians (65% profess to be), with Roman Catholicism, Anglicanism and Pentecostal being the varieties of Christianity most prevalent among them, they also have elaborate traditional religious practices of their own. Veneration of ancestors plays a central role in Ijaw traditional religion, while water spirits, known as "Owuamapu" figure prominently in the Ijaw pantheon. In addition, the Ijaw practice a form of divination called "Igbadai", in which recently deceased individuals are interrogated on the causes of their death.