Nyctixalus pictus

Nyctixalus pictus, also known as cinnamon frog, cinnamon treefrog, cinnamon bush frog, painted Indonesian treefrog, and white-spotted treefrog, etc., is a species of frog in the family Rhacophoridae.[1][2][3][4] It is found in the Malay Peninsula (including southernmost Thailand), the Philippines, and parts of the Greater Sunda Islands (northern Borneo and northern Sumatra).[1][2]

Nyctixalus pictus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Rhacophoridae
Genus: Nyctixalus
Species:
N. pictus
Binomial name
Nyctixalus pictus
(Peters, 1871)
Synonyms[2]
  • Ixalus pictus Peters, 1871
  • Rhacophorus anodon van Kampen, 1907
  • Philautus pictus (Peters, 1871)
  • Philautus anodon (van Kampen, 1907)
  • Rhacophorus (Philautus) anodon (van Kampen, 1907)
  • Rhacophorus (Philautus) pictus (Peters, 1871)
  • Hazelia picta (Peters, 1871)
  • Philautus pictus pictus (Peters, 1871)
  • Hazelia anodon (van Kampen, 1907)
  • Nyctixalus anodon (van Kampen, 1907)
  • Edwardtayloria picta (Peters, 1871)
  • Theloderma (Nyctixalus) pictum (Peters, 1871)

Distribution

This species is found in the Malay Peninsula (from extreme southern Thailand through Peninsular Malaysia to Singapore), Sumatra (Indonesia), Borneo (Brunei, Malaysia, and Indonesia), and the Philippines.[1][2]

Description

Nyctixalus pictus grows to about 35 mm (1.4 in) in snout–vent length;[3][4] males are slightly smaller than females. The snout is obtusely pointed. The tympanum is distinct.[5] The limbs are long and the finger and toe tips are dilated into large discs.[4][5] The fingers have no webbing whereas the toes are partly webbed.[5] Coloration is brown or reddish brown with white to yellow spots on the body.[4]

Habitat and conservation

Nyctixalus pictus occurs in the shrub and lower tree layers of primary and secondary forests at elevations below 700 m (2,300 ft)[1] (up to 1,650 m (5,410 ft) in Borneo[3]). The tadpoles develop in arboreal water-filled cavities (including phytotelms) and in rotting logs.[1][3]

Nyctixalus pictus is widespread but uncommon. Populations are threatened by habitat loss due to clearing of forests for agriculture and logging. Its range includes several protected areas.[1] In Singapore, it is only found in the Bukit Timah and Central Catchment Nature Reserves.[4]

References
  1. IUCN SSC Amphibian Specialist Group (2022). "Nyctixalus pictus". IUCN Red List of Threatened Species. 2022: e.T58806A58482117.
  2. Frost, Darrel R. (2019). "Nyctixalus pictus (Peters, 1871)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 22 May 2019.
  3. Haas, A.; Das, I. & Hertwig, S.T. (2019). "Theloderma pictum Cinnamon Frog". Frogs of Borneo. Retrieved 22 May 2019.
  4. "Nyctixalus pictus (Peters, 1871)". The Digital Nature Archive of Singapore. Lee Kong Chian Natural History Museum. Retrieved 22 May 2019.
  5. Inger, R.F. (1966). "The systematics and zoogeography of the amphibia of Borneo". Fieldiana Zoology. 52: 1–402. doi:10.5962/bhl.title.3147.
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