Insuetophrynus acarpicus 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Anura Cycloramphidae

Scientific Name: Insuetophrynus acarpicus
Species Authority: Barrio, 1970
Common Name(s):
English Barrio's Frog
Taxonomic Source(s): Frost, D.R. 2015. Amphibian Species of the World: an Online Reference. Version 6.0. New York, USA. Available at:

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2010
Date Assessed: 2008-11-17
Assessor(s): Alberto Veloso, Herman Núñez, Jose Núñez, Ramón Formas
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson, Neil Cox and Bruce Young)
Listed as Critically Endangered because its Extent of Occurrence is less than 100 km2 and its Area Of Occupancy is less than 10km2, all individuals are in a single location, and there is continuing decline in the extent and quality of its habitat in Valdivia Province, Chile.
Previously published Red List assessments:
2004 Critically Endangered (CR)
1996 Vulnerable (VU)
1994 Endangered (E)

Geographic Range [top]

Range Description: This species is known only from around the type locality, Mehuin, Valdivia Province, Chile. It has not been found elsewhere, despite survey work. Its altitudinal range is from 50-200m asl.
Countries occurrence:
Lower elevation limit (metres): 50
Upper elevation limit (metres): 200
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is locally common, and was last recorded in 2003.
Current Population Trend: Stable
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: It occurs in small streams and under stones in temperate forest. At night, it feeds on the margins of streams. Breeding takes place in streams, and the species is characterized by free-swimming tadpoles.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): It is threatened by habitat destruction resulting from clear cutting and afforestation with pine plantations.

Conservation Actions [top]

Conservation Actions: It does not occur in any protected area, and there remains a need for much improved protection and maintenance of the Valdivian temperate forests in its range. The status of this species should be closely monitored.

Citation: Alberto Veloso, Herman Núñez, Jose Núñez, Ramón Formas. 2010. Insuetophrynus acarpicus. The IUCN Red List of Threatened Species 2010: e.T10832A3220550. . Downloaded on 28 November 2015.
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