Chiropterotriton dimidiatus 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Caudata Plethodontidae

Scientific Name: Chiropterotriton dimidiatus
Species Authority: (Taylor, 1940)
Common Name(s):
English Dwarf Splayfoot Salamander, Dwarf Flat-footed Salamander
Spanish Salamandra pie-plano enana
Bolitoglossa dimidiata Taylor, 1940
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: Endangered B1ab(iii,v) ver 3.1
Year Published: 2008
Date Assessed: 2008-01-01
Assessor(s): Parra-Olea, G. & Wake, D.
Reviewer(s): Stuart, S.N., Chanson, J.S., Cox, N.A. & Young, B.E.
Listed as Endangered because its Extent of Occurrence is less than 5,000 km2, all individuals are in fewer than five locations, and there is continuing decline in the extent and quality of its habitat, and in the number of mature individuals, in Hidalgo, Mexico.
Previously published Red List assessments:
2004 Endangered (EN)

Geographic Range [top]

Range Description: This species is known only from a small area of southern Hidalgo, Mexico, at 2,500-2,700m asl.
Countries occurrence:
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It used to be abundant, but its numbers are now severely reduced.
Current Population Trend: Decreasing
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: It inhabits only pristine pine-oak and fir forests, where it is found under bark or logs. It breeds by direct development and is not dependent upon water.
Systems: Terrestrial

Threats [top]

Major Threat(s): Most of the forests where this species has been recorded have been severely transformed through the activities of smallholder farmers, logging, and human settlement. It has disappeared even from areas where the habitat has been only slightly degraded.

Conservation Actions [top]

Conservation Actions: It occurs in Parque Nacional El Chico, but improved management of this area is urgently needed to reduce the heavy impacts of tourism, including more fires, and the cutting of forest for recreational facilities. This species is protected by Mexican law under the "Special Protection" category (Pr).

Citation: Parra-Olea, G. & Wake, D. 2008. Chiropterotriton dimidiatus. The IUCN Red List of Threatened Species 2008: e.T59225A11902035. . Downloaded on 28 May 2016.
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