Ctenomys australis


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Ctenomys australis
Species Authority: Rusconi, 1934
Common Name(s):
English Southern Tuco-tuco

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(i,ii,iii,iv) ver 3.1
Year Published: 2013
Date Assessed: 2008-07-01
Assessor(s): Bidau, C.
Reviewer(s): Amori, G. & Schipper, J.
Listed as Endangered because its extent of occurrence is less than 5,000 km², within which it is known from less than 5 locations. Remaining populations are severely fragmented and there is a continuing decline in the extent and quality of its dune habitat due to development for tourism in the fragile sand dune habitat.

Geographic Range [top]

Range Description: This species occurs in southeastern Buenos Aires Province, Argentina (Woods and Kilpatrick 2005) in a very narrow distribution along the coast.
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The average young per litter is 2.9 (Zenuto and Busch cited in Busch et al. 2000)
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: It inhabits coastal sand dune habitats with grasses (Panicum; Poa) (Malizia et al. 1991, Comparatore et al. 1992). It only occurs within 50 m of the coast, in the first line of the dunes.
Systems: Terrestrial

Threats [top]

Major Threat(s): The major threats to this species are the development of resorts for beach tourism and the establishment of pine plantations, both of which lead to significant habitat loss.

Conservation Actions [top]

Conservation Actions: There are no known conservation measures being taken to protect this species.

Citation: Bidau, C. 2013. Ctenomys australis. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 01 September 2015.
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