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Ctenomys roigi

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA RODENTIA CTENOMYIDAE

Scientific Name: Ctenomys roigi
Species Authority: Contreras, 1988

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(i,ii)+2ab(i,ii) ver 3.1
Year Published: 2008
Date Assessed: 2008-06-30
Assessor(s): Bidau, C., Lessa, E. & Ojeda, R.
Reviewer(s): Amori, G. (Small Nonvolant Mammal Red List Authority) & Schipper, J. (Global Mammal Assessment Team)
Justification:
Listed as Critically Endangered because its extent of occurrence is less than 100 km² and its area of occupancy is less than 10 km², all individuals are in a single location, and there is continuing decline in the extent and quality of its habitat.

Geographic Range [top]

Range Description: This species occurs in Argentina near the Paraná River in Corrientes Province (Woods and Kilpatrick, 2005). It can be found over an area smaller than 100 km² (Bidau pers. comm.)
Countries:
Native:
Argentina
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There are only two known populations very close to each other and are considered as one locality (Bidau pers. comm.).
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: The species is found in sand dunes and edges of rivers (Bidau and Ojeda pers. comm.).
Systems: Terrestrial

Threats [top]

Major Threat(s): C. roigi has a naturally restricted range. Its numbers have been declining for a long time and it is listed as CR in the Red List of Argentina (Ojeda and Bidau pers. comm.).

Conservation Actions [top]

Conservation Actions: There is no information available about any conservation measures being made to protect this species. Further research is necessary to clarify the true status of this species.

Citation: Bidau, C., Lessa, E. & Ojeda, R. 2008. Ctenomys roigi. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 22 August 2014.
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