Ctenomys lewisi


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Ctenomys lewisi
Species Authority: Thomas, 1926
Common Name(s):
English Lewis's Tuco-tuco, Lewis' Tuco-tuco

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Dunnum, J. & Bernal, N.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
This species is listed as Least Concern as although it is known from relatively restricted areas, it is adaptable to ongoing disturbance and is unlikely to be declining fast enough to qualify for listing in a more threatened category.

Geographic Range [top]

Range Description: This species is restricted to the Tarija Department in south central Bolivia (Woods and Kilpatrick, 2005). It is found at elevations of 2,600 to 4,000 m asl (N. Bernal pers. comm.).
Bolivia, Plurinational States of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is a locally common species where it occurs.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: It is found in open Altiplano grasslands, also in the foothills of Sama. It is found in both primary and disturbed areas. It is a fossorial, herbivorous species that uses underground tubers and roots. Colonies are found in areas with friable soils.
Systems: Terrestrial

Threats [top]

Major Threat(s): There appear to be no major threats to this species. It is present in areas of traditional grazing and cultivation.

Conservation Actions [top]

Conservation Actions: It is present in the Questa de Sama National Reserve.

Citation: Dunnum, J. & Bernal, N. 2008. Ctenomys lewisi. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 03 September 2015.
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