Psychrophrynella wettsteini


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Psychrophrynella wettsteini
Species Authority: (Parker, 1932)
Phrynopus wettsteini (Parker, 1932)
Syrrophus laplacai Cei, 1968
Taxonomic Notes: Lehr (2006) recently synonymized Phrynopus laplacai under Psychrophrynella wettsteini.

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2008
Date Assessed: 2008-01-01
Assessor(s): Ignacio De la Riva
Reviewer(s): Ariadne Angulo and Simon Stuart
Listed as Vulnerable in view of its extent of occurrence of less than 20,000 km2, area of occupancy of less than 2,000 km2, with all individuals in fewer than ten locations, and a projected decline in the extent and quality of its habitat due to climate change.
2004 Data Deficient

Geographic Range [top]

Range Description: Psychrophrynella wettsteini is known from the surroundings of the area of Unduavi, in the Unduavi Valley, Province of Sud Yungas, Department of La Paz (16 19' S, 67 54' W), and the locality of Coscapa, which is within the contiguous Cotapata preserved area and is 3.1 km (airline) from the type locality. Although it is most abundant between 3200 and 3700 m, the total altitudinal range of the species is 2900–3900 masl (De la Riva, 2007 and references therein).
Bolivia, Plurinational States of; Peru
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is an abundant species.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: The species has been found from the upper limits of the cloud forest to humid paramo grassland. Individuals are found under stones and are active by day and night, including calling activity (De la Riva, 2007). Gravid females have been reported to have an average of 13 eggs 5 mm in diameter during the months of March, July, August, and December, and clutches have been found under stones in August an January (De la Riva, 2007 and references therein).

The species survives well in in disturbed habitats.
Systems: Terrestrial

Threats [top]

Major Threat(s): The major threats to this species are not known. It is possibly threatened by general agricultural activities.

Conservation Actions [top]

Conservation Actions: The species is known to occur in Coscapa, which is within the contiguous Cotapata preserved area (De la Riva, 2007).

Bibliography [top]

Cei, J.M. 1968. A new frog of the genus Syrrhopus from the Bolivian Plateau. Journal of Herpetology: 137-141.

Cortez, C. 2000. Variacion altitudinal de la diversidad y composicion de la fauna de anuros durante la estacion de lluvias, en el Parque Nacional y Area Natural de Manejo Integrado Cotapata. Not published.

De la Riva, I. 2007. Bolivian frogs of the genus Phrynopus, with the description of twelve new species (Anura: Brachycephalidae). Herpetological Monographs 21: 241-277.

De la Riva, I., Köhler, J., Lötters, S. and Reichle, S. 2000. Ten years of research on Bolivian amphibians: updated checklist, distribution, taxonomic problems, literature and iconography. Revista Espanola de Herpetologia: 19-164.

Ergueta, P. 1993. Aspectos de la biología y ecología de Phrynopus laplacai (Anura: Leptodactylidae) en un bosque nublado de altura de Yungas (La Paz, Bolivia). Ecología en Bolivia: 19-29.

Lynch, J.D. 1975. A review of the Andean Leptodactylid frog genus Phrynopus. Occasional Papers of the Museum of Natural History of the University of Kansas: 1-51.

Parker, H.W. 1932. The systematic status of some frogs in the Vienna Museum. Ann. Mag. Nat. Hist.: 341-344.

Citation: Ignacio De la Riva 2008. Psychrophrynella wettsteini. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 01 August 2015.
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