Nototriton major 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Caudata Plethodontidae

Scientific Name: Nototriton major
Species Authority: Good & Wake, 1993
Taxonomic Source(s): Frost, D.R. 2013. Amphibian Species of the World: an Online Reference. Version 5.6 (9 January 2013). Electronic Database. American Museum of Natural History, New York, USA. Available at:

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(iii) ver 3.1
Year Published: 2008
Date Assessed: 2008-01-01
Assessor(s): Bolaños, F., Wake, D. & Savage, J.
Reviewer(s): Stuart, S.N., Chanson, J.S., Cox, N.A. & Young, B.E.
Listed as Critically Endangered because its Extent of Occurrence is less than 100 km2, all individuals are in a single location, and there is continuing decline in the extent and quality of its habitat in the northern Cordillera de Talamanca, Costa Rica.
Previously published Red List assessments:
2004 Critically Endangered (CR)

Geographic Range [top]

Range Description: This species is known only from the type locality on the north-facing premontane slope of the Cordillera de Talamanca, near Moravia de Chirripó, in Cartago Province in eastern Costa Rica, at 1,100-1,200m asl. Its distribution is not well understood, and it might occur more widely.
Countries occurrence:
Costa Rica
Lower elevation limit (metres): 1100
Upper elevation limit (metres): 1200
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There is no information on the population status of this species, which is known from one specimen only, and is likely to be rare.
Current Population Trend: Decreasing
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: It lives in premontane rainforest, probably in moss mats, and presumably breeds by direct development.
Systems: Terrestrial

Threats [top]

Major Threat(s): The major threat is loss of habitat due to increased urbanization, and expanding smallholder farming and cattle ranching activities.

Conservation Actions [top]

Conservation Actions: It is not found in any protected areas, but does occur in the Reserva Indígena Chirripó.

Citation: Bolaños, F., Wake, D. & Savage, J. 2008. Nototriton major. The IUCN Red List of Threatened Species 2008: e.T59298A11902166. . Downloaded on 29 November 2015.
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