By Paulo Szwarc, Federal University of Paraná, Brazil
Following the Oscars 2018 Best Picture award to Guillermo del Toro’s The Shape of Water, a weird thought probably navigates our minds: what if we had scales instead of skin? No? Maybe it’s just a crazy thought I had while observing the movie’s creepy yet astonishing “monster”, an amphibian/fish-looking humanoid looking straight out of a Lovecraft story. But let’s delve deeper into that idea, just for fun. Fish have scales for protection against other predators, offering a resistant layer that can impede easy biting from bigger fish.