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Ctenomys pilarensis

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA RODENTIA CTENOMYIDAE

Scientific Name: Ctenomys pilarensis
Species Authority: Contreras, 1993
Common Name/s:
English Pilar Tuco-tuco

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(i,ii,iii) 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 Endangered because its extent of occurrence is less than 5,000 km², all individuals are in a single location where populations are severely fragmented, and there is continuing decline in the extent and quality of habitat (conversion to manioc). The species continues to be persecuted as an agricultural pest.

Geographic Range [top]

Range Description: This species occurs in eastern Paraguay, in Ñembucú and Misiones Provinces. The range is restricted by the Paraguay River to the west and the Parana River to the south (Woods and Kilpatrick, 2005). It occurs to the east of the city of Pilar (Bidau pers. comm.).
Countries:
Native:
Paraguay
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The species has a patchy distribution, there are only three or four known isolated populations (Bidau pers. comm.) in a single location.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: C. pilarensis usually lives in sandy soils and do well in manioc (yucca) fields.
Systems: Terrestrial

Threats [top]

Major Threat(s): Owing to the fact that they live in manioc fields they are considered a pest to agricultural crops.

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 pilarensis. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 24 April 2014.
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