Oreophrynella nigra 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Anura Bufonidae

Scientific Name: Oreophrynella nigra Señaris, Ayarzaguena and Gorzula, 1994
Common Name(s):
English Pebble Toad
Spanish Sapito Rugoso Del Kukenan
Taxonomic Source(s): Frost, D.R. 2016. Amphibian Species of the World: an Online Reference. Version 6.0 (31 October 2016). New York, USA Available at:

Assessment Information [top]

Red List Category & Criteria: Vulnerable D2 ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Needs updating
Assessor(s): Enrique La Marca, Celsa Señaris
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson, Neil Cox and Bruce Young)
Listed as Vulnerable because it is known from only two locations.

Geographic Range [top]

Range Description:This species is known from Tepuis Kukenan and Yuruaní, in Bolívar State, Venezuela, at 2,300-2,700m asl.
Countries occurrence:
Venezuela, Bolivarian Republic of
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:It is a common species.
Current Population Trend:Stable
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:This is a diurnal frog that can be found on rocks in montane tepui environments. It is a communally breeding species, with breeding taking place by direct development in galleries within peat bogs.
Systems:Terrestrial; Freshwater

Threats [top]

Major Threat(s): Although there are no current major threats, its restricted range makes it more susceptible to threatening processes such as wildfire.

Conservation Actions [top]

Conservation Actions: It is recorded from Yuruaní National Monument. There is a need for close population monitoring of this species given that it is restricted to a single location.

Citation: Enrique La Marca, Celsa Señaris. 2004. Oreophrynella nigra. The IUCN Red List of Threatened Species 2004: e.T54852A11216075. . Downloaded on 26 September 2018.
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