Cymothoa Exigua Is A Type Of Parasite That Enters Fish's Gills, Eats Their Tongue, And Then Replaces It Not everything in nature is as beautiful or as hilarious as we're mostly used to. It has a dark side, too, and I'll completely understand if this list forces you to build a pillow-fort in your living room and avoid going outside for a week. From a mama centipede protecting its babies to a wasp colony building a nest around a discarded doll, these pictures feature some of the scariest things Mother Earth has to offer. Scroll down to test how brave you are.