Nyctimystes nullicedensNyctimystes nullicedens is a species of tree frog in the subfamily Pelodryadinae. It is endemic to Papua New Guinea and has been found on the south-western side of Mount Obree, at 550 meters above sea level.TaxonomyThis species is related to the northern New Guinea tree frog.DescriptionNyctimystes nullicedens has green pigmentation on the mucosa of its mouth.ThreatsThe IUCN classifies this frog as least concern of extinction but notes that the risk of chytrid fungus entering its habitat poses a threat. Scientists recommend ex situ breeding programs.