''Nyctixalus margaritifer'', also known as the Java Indonesian treefrog and pearly tree frog, is a species of

frog A frog is any member of a diverse and largely Carnivore, carnivorous group of short-bodied, tailless amphibians composing the order (biology), order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-f ...

in the family

Rhacophoridae The Rhacophoridae are a family of frogs that occur in tropical sub-Saharan Africa, South India and Sri Lanka, Japan, northeastern India to eastern China and Taiwan, south through the Philippines and Greater Sundas, and Sulawesi. They are commonly ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

Java Java (; id, Jawa, ; jv, ꦗꦮ; su, ) is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea to the north. With a population of 151.6 million people, Java is the world's List ...

, Indonesia, where it is known from a number of records at elevations above .

Description

Adult males measure and adult females in

snout–vent length Snout–vent length (SVL) is a morphometric measurement taken in herpetology from the tip of the snout to the most posterior opening of the cloacal slit (vent)."direct line distance from tip of snout to posterior margin of vent" It is the most c ...

. The body is slender and flattened. The tympanum is distinct. The fingers and toes are slender and bear medium-sized terminal discs. Skin is coarsely granular. Coloration is orange to dark brown, with yellow spots on the eyelids and shoulders.

Habitat and conservation

''Nyctixalus margaritifer'' occurs in undisturbed highland forests, but it is also known from coffee plantations with adequate forest canopy cover. Breeding takes place in tree holes. ''Nyctixalus margaritifer'' is a rare species. It is threatened by forest loss. It is found in

Mount Halimun Salak National Park Mount Halimun Salak National Park is a 400 km2 conservation area in the Indonesian province of West Java on the island of Java. Established in 1992, the park comprises two mountains, Mount Salak and Mount Halimun with an 11-kilometer forest c ...

and

Gunung Gede Pangrango National Park Mount Gede Pangrango National Park is a national park in West Java, Indonesia. The park is centred on two volcanoes—Mount Gede and Mount Pangrango—and is 150 km² in area. It evolved from already existing conservation areas, such as Ci ...

. There is also an unconfirmed record from Mount Merapi National Park. Single specimens are also known from Telaga Warna Nature Reserve and from very close to Gunung Sigogor Nature Reserve.

References

{{Taxonbar, from=Q971388, from2=Q28016859 margaritifer Amphibians of Indonesia Endemic fauna of Java Taxa named by George Albert Boulenger Amphibians described in 1882 Taxonomy articles created by Polbot