Overview

Distribution

Range Description

This species is known only from the Cordillera Cutucú, in Morona-Santiago Province, in southern Ecuador, around 1,975m asl.
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Physical Description

Type Information

Paratype for Atelopus halihelos
Catalog Number: USNM 193959
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Amphibians & Reptiles
Preparation: Ethanol
Year Collected: 1921
Locality: Macas, E of, Cordillera Kutuku, Morona-Santiago, Ecuador, South America
  • Paratype: Peters, J. A. 1973. Smithsonian Contributions to Zoology. (145): 22, figure 19.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This species is an inhabitant of humid montane forest. There is no specific information on their breeding habits, but these are likely to be similar to other Atelopus species, with breeding and larval development taking place in streams.

Systems
  • Terrestrial
  • Freshwater
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
CR
Critically Endangered

Red List Criteria
A2ace; B1ab(iii)+2ab(iii)

Version
3.1

Year Assessed
2006

Assessor/s
Santiago Ron, Luis A. Coloma, Martín R. Bustamante

Reviewer/s
Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson, Neil Cox and Bruce Young)

Contributor/s

Justification
Listed as Critically Endangered because of a drastic population decline, estimated to be more than 80% over the last ten years, inferred from the apparent disappearance of most of the population (probably due to chytridiomycosis).; and because its Extent of Occurrence is less than 100 km2 and its Area Of Occupancy is less than 10km2, its distribution is severely fragmented, and there is continuing decline in the extent and quality of its habitat..

History
  • 2004
    Critically Endangered
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Population

Population
Although sampling effort through the species' range is insufficient, it is likely that this species has undergone a population decline (as seen in other montane species of Atelopus). It was last recorded in 1984, and is perhaps no longer present at the type locality.

Population Trend
Decreasing
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Threats

Major Threats
The most serious risk to this species is chytridiomycosis, which has had a devastating impact on other high-altitude Atelopus species. Agriculture, both crops and livestock, as well as logging and infrastructure development for human settlement are major threats to the species’ habitat.
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Management

Conservation Actions

Conservation Actions
It is not known to occur in any protected areas. Surveys to confirm the continued existence of this species are needed; given the threat of chytridiomycosis, surviving individuals should be maintained in captivity.
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Wikipedia

Atelopus halihelos

Atelopus halihelos is a species of toad in the Bufonidae family. It is endemic to Ecuador. Its natural habitats are subtropical or tropical moist montane forests and rivers. It is threatened by habitat loss.

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