In the world of Yorgos Lanthimos’ The Lobster you’re turned into an animal of your choice if you don’t find a mate. Most people choose dogs or at least mammals, but David’s (Colin Farrell) choice is more coldblooded and alien to humans: a lobster. His reasons are fairly logical from an organism’s point of view. The lobster has exceptional reproductive and longevity traits, but the blue-blooded part is a symbolic nod to human social status.