Mermaids are mythical creatures often depicted as having the upper body of a human and the tail of a fish. They appear in folklore and stories from cultures all over the world, symbolizing mystery, beauty, and the unknown depths of the sea. Sometimes portrayed as enchanting and kind, and other times as dangerous and wild, mermaids have captured imaginations for centuries. Today, they’re popular in fantasy books, movies, and even beachy fashion and décor.