Early depictions of circa-9th-century Central Java closely resembled Indic nāga which was based on imagery of cobras. In the course of this period, nāga-serpents were being depicted as large cobras supporting the waterspout of yoni-lingam. Encyclopaedia Britannica's editors oversee subject matter spots in which they have in depth information, https://zanderobozl.weblogco.com/29192626/23naga-an-overview