Hyloxalus idiomelus 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Anura Dendrobatidae

Scientific Name: Hyloxalus idiomelus (Rivero, 1991)
Colostethus idiomelas Rivero, 1991
Hyloxalus idiomelas Rivero, 1991

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2012
Date Assessed: 2010-11-03
Assessor(s): IUCN SSC Amphibian Specialist Group,
Reviewer(s): Crnobrnja-Isailovic , J. & Kusrini, M.D.
Contributor(s): Icochea M., J., Jungfer, K. & Arizabal, W.
Facilitator/Compiler(s): Bowles, P.
This species is listed as Data Deficient since there is very little information on its area of occupancy, status and ecological requirements. Its known extent of occurrence is approximately 2,100 km², but no information is available on possible or ongoing threats.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is known from the type locality of Venceremos, 394–395 km along the Marginal de la Selva road (San Martin Department), on the eastern slopes of the central Andes in northern Peru, and has since been reported from several additional localities in the Cordillera Central (Duellman 2004). Most records are from between 1,620 to 2,200 m asl., but there are two records at higher elevations (one from 2,280 m asl. and one from 2,840 m) (Duellman 2004). The exact number of sites where the species occurs is unknown; Duellman (2004) examines specimens from eight localities.
Countries occurrence:
Additional data:
Lower elevation limit (metres):1620
Upper elevation limit (metres):2840
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Its population status is unknown.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:Unknown

Habitat and Ecology [top]

Habitat and Ecology:This is a diurnal species known from humid tropical montane forest, where it has been found at seepages and along small streams (Duellman 2004). Males have been recorded transporting batches of 7–12 tadpoles on their backs; larval development is completed in slow-moving and sometimes marshy streams (Duellman 2004). Both adults and larvae have been recorded from disturbed forest and cultivated land close to human settlements (Duellman 2004), indicating some tolerance of habitat modification.
Systems:Terrestrial; Freshwater

Use and Trade [top]

Use and Trade: There are no reports of this species being utilized. However, Peruvian species of Hyloxalus, in common with other poison dart frogs, may be at risk from smuggling to support the international pet trade (von May et al. 2008).

Threats [top]

Major Threat(s): This species has a very restricted geographic range, but there is no information on major threats. The fungal disease chytridiomycosis was first reported from Peru in 1998 (Lips et al. 2008), and has been responsible for severe declines and extinctions among Andean amphibians, especially of high-elevation, stream-breeding frogs with small ranges (Whittaker and Vrendenberg 2010). It is however unknown whether this disease represents a specific threat to this species.

Conservation Actions [top]

Conservation Actions: No conservation actions are currently known for this species, and it is not known from any national protected areas. It appears to be resilient to some degree of habitat disturbance, but the extent of this tolerance is unknown. More information is needed on this species' distribution, population status, natural history and threats.

Citation: IUCN SSC Amphibian Specialist Group,. 2012. Hyloxalus idiomelus. The IUCN Red List of Threatened Species 2012: e.T55093A3023937. . Downloaded on 27 April 2018.
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