Overview

Comprehensive Description

Description

Adults 41-47 mm. Head characteristically pointed. Tibiotarsal articulation reaches at least the eyes. Hand without webbing, foot extensively webbed: 1(0), 2i(0), 2e(0), 3i(0), 3e(0), 4i/e(0.5-1), 5(0). Dorsal skin smooth to slightly granular. Dorsum usually uniform brown, flanks with a white band. Ventrally uniformly whitish. Males with femoral glands and a slightly distensible single subgular vocal sac (Glaw and Vences 2007).

Taken with permission from Glaw and Vences (2007) and Cadle and Raxworthy (2008).

  • Cadle, J. and Raxworthy, C. (2008). Mantidactylus majori. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 08 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 disjunctly distributed in eastern Madagascar from Andapa south to St Luce. Specimens from northeastern Madagascar might belong to a different species. It occurs from sea level up to 1,400m asl.
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Distribution and Habitat

Occurs in Andringitra (Iantara river; Sahavatoy river), Chaines Anosyennes, Ivohibe, Midongy, near Ifanadiana, Ranomafana (Ambatolahy forest, Maharira forest, Ranomena), Tsianovoha, and Vevembe (Glaw and Vences 2007) from sea level up to 1400 m asl (Cadle and Raxworthy 2008).

  • Cadle, J. and Raxworthy, C. (2008). Mantidactylus majori. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 08 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 rainforest, including coastal littoral forest, but not in degraded areas. It is usually found near streams and swamps in sandy areas. It breeds in swamps.

Systems
  • Terrestrial
  • Freshwater
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2004

Assessor/s
John Cadle, Christopher Raxworthy

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

Contributor/s

Justification
Listed as Least Concern in view of its wide distribution, presumed large population, and because it is unlikely to be declining fast enough to qualify for listing in a more threatened category.
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Population

Population
It is a locally abundant species.

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

Habits: A common species in rainforest streams in south-eastern Madagascar. Quite aquatic, specimens can often be observed in the water during the day. Clutches of about 15 eggs are deposited on leaves overhanging the streams. At night, these clutches are guarded by the male who then sits on the eggs (Glaw and Vences 2007).

Calls: A relatively fast series of about 10 short pulsed notes (Glaw and Vences 2007).

  • Cadle, J. and Raxworthy, C. (2008). Mantidactylus majori. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 08 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 forest habitat is receding due to subsistence agriculture, timber extraction, charcoal manufacture, and invasive spread of eucalyptus, livestock grazing and expanding human settlements.
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Life History, Abundance, Activity, and Special Behaviors

This species is listed as least concern because of its wide distribution, presumed large population, and because it is unlikely to be declining fast enough to qualify for listing in a more threatened category. Though it occurs in several protected areas, its forest habitat is receding due to subsistence agriculture, timber extraction, charcoal manufacture, and invasive spread of eucalyptus, livestock grazing and expanding human settlements (Cadle and Raxworthy 2008).

  • Cadle, J. and Raxworthy, C. (2008). Mantidactylus majori. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 08 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 several protected areas.
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Wikipedia

Mantidactylus majori

Mantidactylus majori is a species of frog in the Mantellidae family. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, rivers, and swamps. It is threatened by habitat loss.

References[edit]

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