Chalcorana labialis

Chalcorana labialis, also known as the white-lipped frog, is a species of "true frog" in the family Ranidae.[1][2] As currently known, it is endemic to Peninsular Malaysia, although it might also occur in Singapore.[1] Molecular data suggest presence of three distinct lineages in the same area, one of which is not closely related to Chalcorana labialis and which could represent an unnamed species.[3]

Chalcorana labialis
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Ranidae
Genus: Chalcorana
Species:
C. labialis
Binomial name
Chalcorana labialis
(Boulenger, 1887)
Synonyms[1]
  • Rana labialis Boulenger, 1887
  • Hydrophylax labialis (Boulenger, 1887)
  • Hylarana labialis (Boulenger, 1887)

Description

Adult males measure 37–48 mm (1.5–1.9 in) and adult females 44–71 mm (1.7–2.8 in) in snout–vent length.[2] The tympanum is distinct. The fingers have well-developed discs but no webbing. The toe discs are somewhat smaller; the toes have extensive webbing.[2][3] The dorsum varies from dark green to pale yellow, with or without brown spots on the back. The upper lip is creamy yellow or white. The ventral surfaces are cream-coloured. The hind limbs may have dark cross-bars.[2]

Habitat and conservation

Chalcorana labialis occurs on vegetation by forest streams and swamps. It is common.[2] As of April 2019, this species has not been assessed for the IUCN Red List of Threatened Species.[4]

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References
  1. Frost, Darrel R. (2019). "Chalcorana labialis (Boulenger, 1887)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 24 March 2019.
  2. "Chalcorana labialis". Amphibians and Reptiles of Peninsular Malaysia. Retrieved 24 March 2019.
  3. Inger, Robert F.; Stuart, Bryan L. & Iskandar, Djoko T. (January 2009). "Systematics of a widespread Southeast Asian frog, Rana chalconota (Amphibia: Anura: Ranidae)". Zoological Journal of the Linnean Society. 155 (1): 123–147. doi:10.1111/j.1096-3642.2008.00440.x.
  4. "IUCN Red List of Threatened Species". Retrieved 3 April 2019.
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