La terra di Nettuno

An eel is born in the Sargasso Sea. Because of floating wastes, he gets lost and embarks on a long journey to rejoin his brothers. After various encounters and vicissitudes he finds himself in the canals of Bologna in search of Neptune, which turns out to be a famous fountain in the city. The god of the seas tells him to look for his brothers at the estuary of the Po River. After a mishap, reaches Comacchio valleys, where he finds other eels, like him now adults.