Leptomantis gauni

Leptomantis gauni is a species of frog in the family Rhacophoridae.[2][4] It is endemic to Borneo and is found in Sabah and central Sarawak (Malaysia), Brunei, and north-eastern Kalimantan (Indonesia).[2] The specific name gauni honours Gaun Sureng, a collector for the Sarawak Museum and a companion to Robert F. Inger on field trips when this species was observed.[3][5] Common names short-nosed tree frog[1][4] and Inger's flying frog have been coined for it.[2][5]

Leptomantis gauni

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Rhacophoridae
Genus: Leptomantis
Species:
L. gauni
Binomial name
Leptomantis gauni
(Inger, 1966)
Synonyms[2]
  • Philautus gauni Inger, 1966[3]
  • Rhacophorus gauni (Inger, 1966)

Description

Adult males measure 26–30 mm (1.0–1.2 in) and adult females 36–38 mm (1.4–1.5 in) in snout–vent length. The snout is broadly rounded and short. There is a small conical tubercle in middle of upper eyelid.[3][4] The tympanum is distinct. The finger and the toe tips have well-developed discs. The fingers are partially webbed whereas the toes are almost fully webbed. The dorsal surfaces are light gray with faint, large, dark spots on the back, consisting of at least a dark interscapular spot. There is a characteristic cream-colored or white spot below the eye. The flanks and the ventrum are white. The legs have dark dorsal crossbars, and the anterior and posterior faces of thigh reddish orange. The iris is pale brown, without network.[3]

Habitat and conservation

Leptomantis gauni occurs in primary and old secondary lowland and hilly rainforests[1][4] at elevations of 100–980 m (330–3,220 ft) above sea level.[1][6] It lives in the vegetation overhanging small, clear, rocky streams.[1][4] Foam nests are placed in branches overhanging these streams. The tadpoles live in riffles where they use their oral sucker to cling to rocks.[1][4]

Leptomantis gauni can be locally abundant. The major threats to it are deforestation through clear-cutting and the resulting stream siltation. It is present in many protected areas.[1]

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References
  1. IUCN SSC Amphibian Specialist Group 2019. Rhacophorus gauni. The IUCN Red List of Threatened Species 2019: e.T79681770A79681663. https://doi.org/10.2305/IUCN.UK.2019-1.RLTS.T79681770A79681663.en. Downloaded on 22 July 2019.
  2. Frost, Darrel R. (2018). "Rhacophorus gauni (Inger, 1966)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 7 October 2018.
  3. Inger, R.F. (1966). "The systematics and zoogeography of the amphibia of Borneo". Fieldiana Zoology. 52: 1–402. doi:10.5962/bhl.title.3147. (Philautus gauni: p. 346–349)
  4. Haas, A.; Das, I. & Hertwig, S.T. (2018). "Rhacophorus gauni Short-nosed Tree Frog". Frogs of Borneo. Retrieved 7 October 2018.
  5. Beolens, Bo; Watkins, Michael & Grayson, Michael (2013). The Eponym Dictionary of Amphibians. Pelagic Publishing. p. 77. ISBN 978-1-907807-42-8.
  6. Leong, T. M. & Heok., H. T. (2002). "Geographic distribution: Rhacophorus gauni" (PDF). Herpetological Review. 33 (4): 319.
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