Nephelomys caracolus 

Scope: Global

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Mammalia Rodentia Cricetidae

Scientific Name: Nephelomys caracolus
Species Authority: (Thomas, 1914)
Taxonomic Notes: Oryzomys is a generic synonym (Weksler et al. 2006). This species was previously considered as a synonym of O. albigularis (e.g., Musser and Carleton 1993).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2016
Date Assessed: 2016-06-07
Assessor(s): Aguilera, M.
Reviewer(s): Amori, G.
Contributor(s): Rivas, B., Weksler, M. & Ochoa, J.
This species is listed as Least Concern in view of its presumed wide distribution and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category and the known range is well protected by National Parks.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is endemic to the Venezuelan Cordillera de la Costa and Sierra de San Luis in Northern venezuela (Franger 2012). In addition, its distribution across the Cordillera de la Coasta occurs in the Aragua, Carabobo, Miranda, Distrito Federal. Most records of its occurrence are in the northern slope and only a few in the southern slope with elevation ranges from 1,050 to 2,300 m (Patton et al. 2015).
Countries occurrence:
Venezuela, Bolivarian Republic of
Additional data:
Lower elevation limit (metres):1000
Upper elevation limit (metres):2500
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:This species is abundant (M. Aguilera pers. comm.).
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This species is found in primary cloud forest. It is terrestrial, nocturnal, and omnivorous (M. Aguilera and B. Rivas pers. comm.). This species has been found in humid evergreen and cloud forests with subcanopies of fern, vines, and abundant moss and epiphytes (Handley 1976).
Generation Length (years):2

Threats [top]

Major Threat(s): There are no current threats because the habitat of this species is well protected by national parks.

Conservation Actions [top]

Conservation Actions: This species occurs in several protected areas, specifically four National Parks.

Classifications [top]

1. Forest -> 1.9. Forest - Subtropical/Tropical Moist Montane

In-Place Research, Monitoring and Planning
In-Place Land/Water Protection and Management
  Occur in at least one PA:Yes
In-Place Species Management
In-Place Education
1. Research -> 1.2. Population size, distribution & trends

Bibliography [top]

García, F.J., Jaramillo, M. D., Machado, M. and Aular, L. 2012. Preliminary inventory of mammals from Yurubí National Park, Yaracuy, Venezuela with some comments on their natural history. Revista de Biología Tropical 60(1): 459-472.

IUCN. 2016. The IUCN Red List of Threatened Species. Version 2016-2. Available at: (Accessed: 04 September 2016).

Musser, G.G. and Carleton, M.D. 2005. Superfamily Muroidea. In: D.E. Wilson and D.A. Reeder (eds), Mammal Species of the World: a geographic and taxonomic reference, pp. 894-1531. The John Hopkins University Press, Baltimore, USA.

Pacifici, M., Santini, L., Di Marco, M., Baisero, D., Francucci, L., Grottolo Marasini, G., Visconti, P. and Rondinini, C. 2013. Generation length for mammals. Nature Conservation 5: 87–94.

Percequillo, A.R. 2015. Genus Nephelomys Weksler, Percequillo, and Voss, 2006. In: Patton, J. L., Pardinas, U., & D'Elia, G. (ed.), Mammals of South America.

Weksler, M., Percequillo, A.R. and Voss, R.S. 2006. Ten new genera of Oryzomyine rodents (Cricetidae: Sigmodontinae). American Museum Novitates 3537: 1-29.

Citation: Aguilera, M. 2016. Nephelomys caracolus. The IUCN Red List of Threatened Species 2016: e.T136833A22332280. . Downloaded on 21 October 2016.
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