Pseudoeurycea juarezi


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Pseudoeurycea juarezi
Species Authority: Regal, 1966

Assessment Information [top]

Red List Category & Criteria: Critically Endangered A2a+4a ver 3.1
Year Published: 2008
Date Assessed: 2008-01-01
Assessor(s): Gabriela Parra-Olea, David Wake, Mario García-París
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson, Neil Cox and Bruce Young)
Listed as Critically Endangered as the species is now very rare, and it is possible that the population has undergone an 80% decline in the last three generations or ten years, and that this decline is continuing. The reason for the decline seems poorly known and further studies are needed.
2004 Endangered

Geographic Range [top]

Range Description: This species occurs between Cerro Pelón and Vista Hermosa in the Sierra de Juarez, north-central Oaxaca, Mexico, at an altitude of 2,400-3,000m asl.
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It used to be very common, but has undergone dramatic declines and is now uncommon. Only one individual has been located in recent years (c. 2000).
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: The species is terrestrial and inhabits pristine moist forest habitats, and has been found under loose bark or fallen trees, or under moss on rocks and logs. It reproduces by direct development.
Systems: Terrestrial

Threats [top]

Major Threat(s): The major threat is habitat loss due primarily to logging, as well as agricultural expansion and human settlement. The reasons for the dramatic recent declines in this species require further investigation.

Conservation Actions [top]

Conservation Actions: The type locality falls within a local conservation management area administered by the town of Santiago Comaltepec. This species is listed as "Threatened" (Amenazada) by the Mexican government.

Citation: Gabriela Parra-Olea, David Wake, Mario García-París 2008. Pseudoeurycea juarezi. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 30 August 2015.
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