Proceratophrys gladiusProceratophrys gladius is a species of frog in the family Odontophrynidae. It is endemic to Brazil.DescriptionThe adult male frog measures 31.6–45.9 mm in snout-vent length, and the adult female frog 36.9–48.5 mm. The crest on its head resembles a short sword.EtymologyScientists named this frog gladius because the protrusions on its head resemble a Roman short sword.HabitatScientists are not sure which habitat this frog prefers. They found the first samples 1600 meters above sea level in a protected park, Parque Nacional da Serra da Bocaina.ThreatsThe IUCN classifies this species as data deficient. The type locality is located within a protected park, and they believe it may live in other places as well.