From the sirens of “The Odyssey” to “The Creature From the Black Lagoon” and beyond, humans have always imagined their underwater doubles. In this two-part Stuff to Blow Your Mind exploration, Robert Lamb and Joe McCormick discuss the revealing myth and fiction of mermaids and gillmen -- as well as the aquatic ape theory and the biological possibilities of an aquatic humanoid. (Originally published Jan. 23, 2018) **Related Content:**[Aquatic Humanoids, Part 2](https://is.gd/qaD9DG) (podcast)[Don't Drink the Salt Water](http://www.stufftoblowyourmind.com/podcasts/salt-water.htm) (podcast)[Here There Be Sea Monsters](http://www.stufftoblowyourmind.com/podcasts/sea-monsters.htm) (podcast) **Outside Content:**['Horror Noire' by Robin R Means Coleman](https://www.amazon.com/Horror-Noire-Blacks-American- Present/dp/0415880203/ref=sr_1_1?s=books&ie=UTF8&qid=1516646127&sr=1-1&keywords=horror+noire) Learn more about your ad-choices at See [omnystudio.com/listener](https://omnystudio.com/listener) for privacy information. Read more