water-based creation myths are quite common, there is some classification of creation myths that divides them in 4 great groups (ex-nihilo, water based, cosmic

water-based creation myths are quite common, there is some classification of creation myths that divides them in 4 great groups (ex-nihilo, water based, cosmic eggs, dismembered god). The most famous example would be the Enuma Elish, where the world comes from the meeting of salt water and fresh water.