Mixcoatlus melanurus


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Mixcoatlus melanurus
Species Authority: (Müller, 1923)
Ophryacus melanurus Müller, 1923
Porthidium melanorum (Müller, 1924) [orth. error]
Porthidium melanurum (Müller, 1924)

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2007
Date Assessed: 2007-03-01
Assessor(s): Canseco-Márquez, L., Campbell, J.A., Ponce-Campos, P., Muñoz-Alonso, A. & García Aguayo, A.
Reviewer(s): Cox, N., Chanson, J.S. & Stuart, S.N. (Global Reptile Assessment Coordinating Team)
Listed as Endangered, in view of its extent of occurrence of less than 5,000 km² and with all individuals in fewer than five locations, and a continuing decline in the extent and quality of its habitat.

Geographic Range [top]

Range Description:This species occupies intermediate elevations from southern Puebla to Central Oaxaca in Mexico. Most of its range falls within the Atlantic drainage; however, in the south it crosses the Continental Divide and includes some of the upper tributaries of the Río Atoyac. The elevational range is from about 1,600 to 2,400 m asl.
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population: It is not very common.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: It inhabits high arid tropical scrub and tropical deciduous forest in the north, and pine-oak forest in the south.
Systems: Terrestrial

Threats [top]

Major Threat(s): Much of the area the species inhabits has been overgrazed, cleared, or greatly eroded because of agricultural development. It is also persecuted by people.

Conservation Actions [top]

Conservation Actions: This species is protected by Mexican law under the category Pr (Special Protection). It occurs in Tehuacan Cuicatlan Biosphere Reserve.

Bibliography [top]

Campbell, J.A. and Lamar, W.W. 1989. The venomous reptiles of Latin America. Cornell University Press, Ithaca, New York.

Campbell, J.A. and Lamar, W.W. 2004. The Venomous Reptiles of the Western Hemisphere. Comstock, Ithaca, New York and London, UK.

IUCN. 2007. 2007 IUCN Red List of Threatened Species. Available at: www.iucnredlist.org. (Accessed: 12th September 2007).

Citation: Canseco-Márquez, L., Campbell, J.A., Ponce-Campos, P., Muñoz-Alonso, A. & García Aguayo, A. 2007. Mixcoatlus melanurus. In: The IUCN Red List of Threatened Species. Version 2015.2. <www.iucnredlist.org>. Downloaded on 28 August 2015.
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