Leviathan was held that God originally produced a male and a female leviathan, but lest in multiplying the species should destroy the world, he slew the female, reserving her flesh for the banquet that will be given to the righteous on the advent of the Messiah. Rashi's commentary on repeats the tradition: the...sea monsters: The great fish in the sea, and in the words of the Aggadah (B.B. 74b), this refers to the Leviathan and its mate, for He created them male and female, and He slew the female and salted her away for the righteous in the future, for if
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