Overview

Comprehensive Description

Description

M 27-30 mm, F 25-34 mm. A relatively small species with a very short snout and extended foot webbing: 1(0.25), 2i(0.75), 2e(0), 3i(1), 3e(0.25), 4i(1.5), 4e(1.25), 5(0). Distinguished by its partly paired subarticular tubercles from M. pauliani. Both M. madecassus and M. pauliani have a particular iris colour with a central darker part and an increasing number of small golden spots towards the edges.

Similar species: All other species of Brygoomantis are more or less similar, but the lack of vomerine teeth in M. madecassus is diagnostic.

Taken with permission from Glaw and Vences (2007).

  • Vences, M. and Glaw, M. (2008). Mantidactylus madecassus. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 29 April 2009.
  • Glaw, F., and Vences, M. (2007). Field Guide to the Amphibians and Reptiles of Madagascar. Third Edition. Vences and Glaw Verlag, Köln.
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Distribution

Range Description

This species is known only from Andringitra in south-eastern Madagascar, where the species is restricted to elevations between 1,500 and 2,500m asl. It has been found at about ten localities in Andringitra.
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Distribution and Habitat

Andringitra (Cuvette Boby and other sites). It occurs between 1,500-2,500m asl in rocky streams in forest or above the tree line and in rocky landscapes (Vences and Glaw 2008).

  • Vences, M. and Glaw, M. (2008). Mantidactylus madecassus. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 29 April 2009.
  • Glaw, F., and Vences, M. (2007). Field Guide to the Amphibians and Reptiles of Madagascar. Third Edition. Vences and Glaw Verlag, Köln.
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
It lives in rocky streams in forest or above the tree line. It is not dependent on forest and is usually found outside forest in rocky landscapes. The species is largely aquatic and breeds in the slower-flowing parts of streams.

Systems
  • Terrestrial
  • Freshwater
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
EN
Endangered

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

Version
3.1

Year Assessed
2004

Assessor/s
Miguel Vences, Frank Glaw

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

Contributor/s

Justification
Listed as Endangered, in view of its extent of occurrence of less than 5,000 km2 and area of occupancy of less than 500 km2, with all individuals in fewer than five locations, and a continuing decline in the extent and quality of its habitat.
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Population

Population
It is a rare species.

Population Trend
Decreasing
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Life History, Abundance, Activity, and Special Behaviors

Habits: Exclusively in high-altitude streams above the tree line in the Andringitra massif.

Breeding takes place in slow-moving streams (Vences and Glaw 2008).

  • Vences, M. and Glaw, M. (2008). Mantidactylus madecassus. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 29 April 2009.
  • Glaw, F., and Vences, M. (2007). Field Guide to the Amphibians and Reptiles of Madagascar. Third Edition. Vences and Glaw Verlag, Köln.
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Threats

Major Threats
Its habitat is probably being impacted by overgrazing and fires (which are likely to be too frequent).
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Life History, Abundance, Activity, and Special Behaviors

It occurs in Parc National d'Andringitra (Vences and Glaw 2008).

  • Vences, M. and Glaw, M. (2008). Mantidactylus madecassus. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 29 April 2009.
  • Glaw, F., and Vences, M. (2007). Field Guide to the Amphibians and Reptiles of Madagascar. Third Edition. Vences and Glaw Verlag, Köln.
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Management

Conservation Actions

Conservation Actions
It occurs in Parc National d'Andringitra.
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Wikipedia

Mantidactylus madecassus

Mantidactylus madecassus is a species of frog in the Mantellidae family. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist montane forests, subtropical or tropical high-altitude grassland, rivers, and rocky areas. It is threatened by habitat loss.

Source[edit]

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