Microkayla kallawaya
family: Strabomantidae
subfamily: Holoadeninae
Species Description: de la Riva I 2007 Bolivian frogs of the genus Phrynopus, with descriptions of twelve new species (Anura: Brachycephalidae). Herpt. Monog.21: 247-277
Conservation Status (definitions)
IUCN (Red List) Status Critically Endangered (CR)
Other International Status None
National Status None
Regional Status None

Country distribution from AmphibiaWeb's database: Bolivia


View distribution map using BerkeleyMapper.


From the IUCN Red List Species Account:


Range Description

Psychrophrynella kallawaya is only known from the type locality, Caalaya (ca 3,600 m asl), Province of Saavedra, Department of La Paz, Bolivia (De la Riva 2007). This site is found in the Cordillera de Apolobamba (De la Riva 2007). The species is thought to have restricted geographical and elevational (no more than 200 m) ranges (I. De la Riva pers. comm. 2008).

Habitat and Ecology

This species inhabits a moderately dry valley where there is extensive agricultural activity (I. De la Riva pers. comm. 2008). Individuals of this species are found in the wettest parts of a small area near a stream that flows into the Río Caalaya, approximately 900 m before reaching the village of Caalaya travelling from Charazani to Curva. The otherwise moderately dry area is cultivated; the type locality is perhaps the only suitable habitat for Psychrophrynella in the Caalaya Valley. Individuals are found under stones during the day (De la Riva 2007). This species presumably reproduces through direct development.


This is considered to be a common species (I. De la Riva pers. comm. 2008).

Population Trend


Major Threats

Agriculture is a major threat to this species. In addition, a restricted geographic distribution and the predicted effects of climate change (e.g., drying up of regions) are considered to pose serious threats to the species (I. De la Riva pers. comm. 2008).

Conservation Actions

No conservation measures are known for this species.

Red List Status

Critically Endangered (CR)


Listed as Critically Endangered as it is only known from the type locality and the immediate vicinity and is most likely restricted to this area. Its range is not within any protected area, and there are agricultural activities in the area that are degrading its habitat.

Taxonomic Notes

Psychrophrynella kallawaya is distinguished from other similar species by a combination of colour patterns and morphological features (De la Riva 2007).


De la Riva, I. & Angulo, A. 2009. Psychrophrynella kallawaya. The IUCN Red List of Threatened Species 2009: e.T136145A4249947. .Downloaded on 22 January 2019


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