The Greek Sirens or the German Lorelei also personify this dangerous aspect of the anima, which in this form symbolizes destructive illusion.
Jung identifies the Lorelei as a canonical exemplar of the negative anima, grouping her with the Sirens as a mythological embodiment of the lethal, illusory seduction that the soul-image can exercise upon the male psyche.
, Man and His Symbols, 1964thesis