Nyctixalus margaritifer

Nyctixalus margaritifer, also known as the Java Indonesian treefrog and pearly tree frog, is a species of frog in the family Rhacophoridae.[1][2] It is endemic to Java, Indonesia, where it is known from a number of records at elevations above 700 m (2,300 ft).[1][2]

Nyctixalus margaritifer
In Java, Indonesia
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Rhacophoridae
Genus: Nyctixalus
Species:
N. margaritifer
Binomial name
Nyctixalus margaritifer
Boulenger, 1882
Synonyms[2]
  • Ixalus flavosignatus Boettger, 1893
  • Philautus flavosignatus — Smith, 1931
  • Philautus pictus margaritifer — Inger, 1966
  • Nyctixalus pictus margaritifer — Dubois, 1981
  • Nyctixalus flavosignatus — Dubois, 1981
  • Theloderma margaritifer (Boulenger, 1882)[1]

Description

Adult males measure 30–33 mm (1.2–1.3 in)[3] and adult females 31–43 mm (1.2–1.7 in) in snout–vent length.[3][4] The body is slender and flattened. The tympanum is distinct. The fingers and toes are slender and bear medium-sized terminal discs.[4] Skin is coarsely granular. Coloration is orange to dark brown, with yellow spots on the eyelids and shoulders.[3]

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.[1]

Nyctixalus margaritifer is a rare species. It is threatened by forest loss. It is found in Mount Halimun Salak National Park and Gunung Gede Pangrango National Park. There is also an unconfirmed record from Mount Merapi National Park.[1] Single specimens are also known from Telaga Warna Nature Reserve and from very close to Gunung Sigogor Nature Reserve.[4]

References
  1. IUCN SSC Amphibian Specialist Group (2018). "Nyctixalus margaritifer". IUCN Red List of Threatened Species. 2018: e.T58804A114112563. doi:10.2305/IUCN.UK.2018-2.RLTS.T58804A114112563.en. Retrieved 30 November 2022.
  2. Frost, Darrel R. (2022). "Nyctixalus margaritifer Boulenger, 1882". Amphibian Species of the World: An Online Reference. Version 6.1. American Museum of Natural History. doi:10.5531/db.vz.0001. Retrieved 30 November 2022.
  3. Amin, Bahrul (2020). Katak di Jawa Timur [Frogs of East Java] (PDF) (in Indonesian). Tulungagung, Indonesia: Akademia Pustaka. pp. 63–65.
  4. Priambodo, Bagus; et al. (2021). "Rediscovery of pearly tree frog, Nyctixalus margaritifer Boulenger, 1882 (Amphibia: Rhacophoridae) from Mt. Wilis after 135 years". Turkish Journal of Zoology. 45 (4): 329–334. doi:10.3906/zoo-2104-22.
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