Dagon, the fish-god of the Philistines and Babylonians, wore a fish hat that is still seen today with Roman Catholic Church's pope.
"The miter is derived directly from the miters of the ancient pagan fish-god dagon and the goddess Cybele. The papal miter represents the head of Dagon with an open mouth, which is the reason for the pointed shape and split top." The most prominent form of worship in Babylon was dedicated to Dagon, later known as Ichthys, or the fish. In Chaldean times, the head of the church was the representative of Dagon, he was considered to be infallible, and was addressed as ‘Your Holiness’.
Nations subdued by Babylon had to kiss the ring and slipper of the Babylonian god-king. The same powers and the same titles are claimed to this day by the Dalai Lama of Buddhism, and the Pope. Moreover, the vestments of paganism, the fish mitre and robes of the priests of Dagon are worn by the Catholic bishops, cardinals and popes.
Berossus, a 3rd century Babylonian priest once wrote, At first they led a somewhat wretched existence and lived without rule after the manner of beasts.
But, in the first year after the flood appeared an animal endowed with human reason, named Oannes, who rose from out of the Erythian Sea, at the point where it borders Babylonia. He had the whole body of a fish, but above his fish's head he had another head which was that of a man, and human feet emerged from beneath his fish's tail. He had a human voice, and an image of him is preserved unto this day. He passed the day in the midst of men without taking food; he taught them the use of letters, sciences and arts of all kinds. He taught them to construct cities, to found temples, to compile laws, and explained to them the principles of geometrical knowledge. He made them distinguish the seeds of the earth, and showed them how to collect the fruits; in short he instructed them in everything which could tend to soften human manners and humanize their laws. From that time nothing material has been added by way of improvement to his instructions.
And when the sun set, this being Oannes, retired again into the sea, for he was amphibious.