Meet El Dorado
In a shocking twist, El Dorado has been discovered to be a species of marine life that defies all expectations.
El Dorado, named after the mythical land of gold, is a type of fish that has evolved to produce gold in its own gills.
Learn more about El Dorado's incredible gills See pictures of El Dorado in their natural habitat Watch a video of El Dorado being caught by a confused sailor