Pristimantis atratus


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Pristimantis atratus
Species Authority: (Lynch, 1979)
Eleutherodactylus atratus Lynch, 1979

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Needs updating
Assessor(s): Luis A. Coloma, Santiago Ron, Mario Yánez-Muñoz, Diego Almeida
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson, Neil Cox and Bruce Young)
Listed as Endangered because its Extent of Occurrence is less than 5,000 km2, its distribution is severely fragmented, and there is continuing decline in the extent and quality of its habitat on the Amazonian slopes of the Ecuadorian Andes.

Geographic Range [top]

Range Description: This species is known from the Amazonian slopes of the eastern Andean Cordillera (Cordillera de Matanga to the Abra de Zamora) in southern Ecuador from 2,195-2,850m asl. It has also been reported from 3,400m asl at Río Mazan, Azuay. It is recorded from six localities.
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There is very little information available on the current population status of this species. Four individuals were collected in 1985, but there appear to be no subsequent records, though this is probably due to a lack of survey work within its range.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: It inhabits páramo grassland, sub-páramo shrubland and cloud forests (Lynch and Duellman 1980). Breeding is by direct development.
Systems: Terrestrial

Threats [top]

Major Threat(s): The habitat of this species is under threat from agricultural activities and dam construction.

Conservation Actions [top]

Conservation Actions: Its range overlaps Parque Nacional Sangay, and also Parque Nacional Cajas.

Bibliography [top]

IUCN. 2004. 2004 IUCN Red List of Threatened Species. Downloaded on 23 November 2004.

Lynch, J.D. 1979. Leptodactylid frogs of the Genus Eleutherodactylus from the Andes of southern Ecuador. Miscellaneous Publications of the Natural History Museum of the University of Kansas: 1-62.

Lynch, J.D. and Duellman, W.E. 1980. The Eleutherodactylus of the Amazonian slopes of the Ecuadorian Andes (Anura: Leptodactylidae). The University of Kansas Museum of Natural History, Miscellaneous Publications: 1-86.

Lynch, J.D. and Duellman, W.E. 1997. Frogs of the genus Eleutherodactylus in western Ecuador: Systematics, ecology, and biogeography. University of Kansas Museum of Natural History Special Publication: 1-236.

Citation: Luis A. Coloma, Santiago Ron, Mario Yánez-Muñoz, Diego Almeida 2004. Pristimantis atratus. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 30 August 2015.
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