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 as a sumptuous banquet for all the righteous in Heaven. According to Abraham Isaac Kook, the Leviathan – a singular creature with no mate, "its tail is placed in its mouth" (Zohar) "twisting around and encompassing the entire world" (Rashi on Baba Batra 74b) – projects a vivid metaphor for the universe’s underlying unity. This unity will only be revealed in the future, when the righteous will feast on the Leviathan. Leviathan can also be used as an image of Satan, endangering both God's creatures—by attempting to eat them—and God's creation—by threatening it with upheaval in the waters of Chaos.