Leviathan Leviathan Leviathan (; ) is a creature with the form of a sea monster from Jewish belief, referenced in the Hebrew Bible in the Book of Job, Psalms, the Book of Isaiah, and the Book of Amos. The Leviathan of the Book of Job is a reflection of the older Canaanite "Lotan", a primeval monster defeated by the god Hadad. Parallels to the role of Mesopotamian Tiamat defeated by Marduk have long been drawn in comparative mythology, as have been wider comparisons to dragon and world serpent narratives such as Indra slaying Vrtra or Thor slaying Jörmungandr, but Leviathan already
Leviathan have reflected an attempt to naturalize Leviathan in a process that demoted it from deity to demon to monster. Later Jewish sources describe Leviathan as a dragon who lives over the Sources of the Deep and who, along with the male land-monster Behemoth, will be served up to the righteous at the end of time. The Book of Enoch (60:7–9) describes Leviathan as a female monster dwelling in the watery abyss (as Tiamat), while Behemoth is a male monster living in the desert of Dunaydin ("east of Eden"). When the Jewish midrash (explanations of the Tanakh) were being composed, it