Theloderma corticale 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Anura Rhacophoridae

Scientific Name: Theloderma corticale
Species Authority: (Boulenger, 1903)
Common Name(s):
English Tonkin Bug-eyed Frog
Rhacophorus corticalis Boulenger, 1903
Rhacophorus fruhstorferi Ahl, 1927
Taxonomic Source(s): Frost, D.R. 2015. Amphibian Species of the World: an Online Reference. Version 6.0. New York, USA. Available at:

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Needs updating
Assessor(s): Peter Paul van Dijk, Raoul Bain
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson and Neil Cox)
Listed as Data Deficient in view of continuing uncertainties as to its extent of occurrence, status and ecological requirements.

Geographic Range [top]

Range Description:This species is known from the Mao Son and Tam Dao mountain ranges of northern Viet Nam (Bourret 1942; Orlov 1997; Inger et al. 1999), and it can be expected to occur more widely. It has been recorded from 800-1,300m asl.
Countries occurrence:
Viet Nam
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:One of the sites from which it is known was only reported in the 1930s, and the other has only recently been discovered. It has not been recorded at the type locality since it was first collected. It is a cryptic and localized species, but large series of specimens have been observed and collected at Tam Dao (Orlov 1997), suggesting that this is a species that might be locally common.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:It is known from steep rocky cliffs in primary evergreen rainforest. It breeds by larval development in rock cavities containing water (Orlov 1997), and also in tree holes.
Systems:Terrestrial; Freshwater

Threats [top]

Major Threat(s): This species is threatened by forest damage in Tam Dao, which continues to be significant (BirdLife International 2001). Clear-cutting at Mao Son has also reduced the available habitat for this species. This is one of the few regional frog species for which there is a specific demand in the global pet trade.

Conservation Actions [top]

Conservation Actions: Improving protection at Tam Dao National Park and establishing a protected area conserving the remaining natural habitats at Mao Son is recommended for this species' conservation. It has been bred in captivity (Orlov 1997).

Citation: Peter Paul van Dijk, Raoul Bain. 2004. Theloderma corticale. The IUCN Red List of Threatened Species 2004: e.T59033A11872894. . Downloaded on 21 July 2017.
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