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I think that is a just synopsis. Jung equated fish symbolism with contents on the unconscious. Moreover, one who has successfully assimilated the contents of the unconscious into consciousness, e.g. the shadow, anima/animus, etc., is said to exhibit something of the archetype of the self, the whole personality. Insofar as Pisces is the fish and Aquarius bears the water wherein that fish has his being, the Age of Aquarius may point toward a more holistic, collective archetype, i.e. that of the self. Only time will tell.