Leptobrachella tuberosa

Leptobrachella tuberosa, also known as the granular toad, is a species of frog in the family Megophryidae. As currently known, it is endemic to the Central Highlands of Vietnam in Gia Lai, Quảng Nam, and Thừa Thiên–Huế Provinces.[1][2] Its true range is probably wider as suitable habitat extends further north and east, reaching northeastern Cambodia and southeastern Laos.[1] The specific name tuberosa is derived from the Latin tuberosus, meaning "full of protuberances".[3]

This article is about the Southeast Asian granular toad. For the South American species known with same name, see Rhinella granulosa.

Leptobrachella tuberosa

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Megophryidae
Genus: Leptobrachella
Species:
L. tuberosa
Binomial name
Leptobrachella tuberosa
(Inger, Orlov, and Darevsky, 1999)
Distribution of Leptobrachella tuberosa
Synonyms[2]

Leptolalax tuberosus Inger, Orlov, and Darevsky, 1999[3]

Description

Adult males measure 24–30 mm (0.9–1.2 in) and adult females, based on a single specimen, about 30 mm (1.2 in) in snout–vent length.[3][4] The overall appearance is stocky. The snout is obtusely pointed, rounded or truncate in profile. The tympanum is obscured by skin. The finger and toe tips are blunt; the toes have basal webbing.[3] Skin is dorsally covered by many small tubercles of various sizes. In preserved specimens, the dorsum is dark grey or black with obscure light speckling that becomes heavier low on the sides. The venter is white with thin black lines.[3][4] The limbs have darker crossbars.[3]

Habitat and conservation

Leptobrachella tuberosa inhabits montane primary forests at elevations of 850–1,401 m (2,789–4,596 ft) above sea level. It is associated with rocky streams and herbaceous riparian vegetation. One male was observed calling from vegetation one metre above the ground by a cascading stream. This species presumably deposits its eggs in streams where the tadpoles will later develop.[1]

Leptobrachella tuberosa has mostly been observed in undisturbed forest. Habitat loss and degradation is a general threat in the range of this species, and could also affect it. It is present in the Ngọc Linh and Song Thanh Nature Reserves in Vietnam. Its potential range in Laos overlaps with some other protected areas.[1]

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References
  1. IUCN SSC Amphibian Specialist Group (2017). "Leptobrachella tuberosa". IUCN Red List of Threatened Species. 2017: e.T57576A113957447. Retrieved 14 June 2020.
  2. Frost, Darrel R. (2020). "Leptobrachella tuberosa (Inger, Orlov, and Darevsky, 1999)". Amphibian Species of the World: an Online Reference. Version 6.1. American Museum of Natural History. doi:10.5531/db.vz.0001. Retrieved 14 June 2020.
  3. Inger, Robert F.; Orlov, N. L. & Darevsky, I. S. (1999). "Frogs of Vietnam: A report on new collections". Fieldiana Zoology. New Series. 92: 1–46.
  4. Ohler, A.; K. C. Wollenberg; P. Grosjean; R. Hendrix; M. Vences; T. Ziegler & A. Dubois (2011). "Sorting out Lalos: description of new species and additional taxonomic data on megophryid frogs from northern Indochina (genus Leptolalax, Megophryidae, Anura)". Zootaxa. 3147: 1–83.
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