"the doubling of the shadow often met with in dreams,
where the two halves appear as different or even as antagonistic figures.
This happens when the conscious ego-personality does not contain all the contents and components that it could contain.
Part of the personality then remains split off and mixes with the normally unconscious shadow, the two together forming a double—and often antagonistic—personality."
to discriminate: the essence of conscious realization.
In this sense Leviathan and Behemoth represent stages in the development of consciousness whereby they become assimilated and humanized.
The fish changes, via the warm-blooded quadruped, into a human being, and in so far as
the Messiah became, in Christianity, the second Person of the Trinity,
the human figure split off from the fish hints at God's incarnation.
previously missing in the God-image, therefore, was the human element."