Chiropterotriton dimidiatus


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Chiropterotriton dimidiatus
Species Authority: (Taylor, 1939)

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii,v) ver 3.1
Year Published: 2004
Date Assessed: 2008-01-01
Assessor/s: Gabriela Parra-Olea, David Wake
Reviewer/s: Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson, Neil Cox and Bruce Young)
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.

Geographic Range [top]

Range Description: This species is known only from a small area of southern Hidalgo, Mexico, at 2,500-2,700m asl.
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.
Population Trend: Decreasing

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: Gabriela Parra-Olea, David Wake 2004. Chiropterotriton dimidiatus. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <>. Downloaded on 19 April 2014.
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