Overview

Comprehensive Description

Description

M 33-38 mm. Tibiotarsal articulation can reach the nostril. Hand without webbing, foot webbing 1(1), 2i(1), 2e(0.5), 3i(1.25), 3e(?), 4i/e(1.5), 5(1). Terminal discs of fingers and toes moderately enlarged. Dorsal skin slightly granular. Colouration dorsally rather uniformly brown, a distinct white band along the flanks. Males with a weakly distensible single subgular vocal sac and with femoral glands (Glaw and Vences 2007).

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

  • Raxworthy, C. and Glaw, F. (2008). Mantidactylus ambreensis. 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 known from several areas in northern and northwestern Madagascar, from Fôret d’Ambre Special Reserve and Montagne d'Ambre National Park (D'Cruze et al. 2008) south to near Maevatenana. It probably also occurs in other areas. It has been recorded at 200-1,150m asl.
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Distribution and Habitat

Occurs in Andampy (Tsaratanana), Andavaka, Andranomamelona, Benavony, Manongarivo, Montagne d’Ambre (Glaw and Vences 2007) at 200-1150 m asl (Raxworthy and Glaw 2008).

  • Raxworthy, C. and Glaw, F. (2008). Mantidactylus ambreensis. 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 only in pristine rainforest, along streams and rivers on the forest floor. Its egg deposition site is not known, but tadpoles live in streams.

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
Christopher Raxworthy, Frank Glaw

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 relatively 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: Found along streams in northern and north-western Madagascar, often in syntopy with at least one other representative of Ochthomantis (Glaw and Vences 2007).

Calls: A series of 2-9 short pulsed notes (Glaw and Vences 2007).

  • Raxworthy, C. and Glaw, F. (2008). Mantidactylus ambreensis. 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 relatively 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 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 (Raxworthy and Glaw 2008).

  • Raxworthy, C. and Glaw, F. (2008). Mantidactylus ambreensis. 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 the Fôret d’Ambre Special Reserve, the Montagne d'Ambre National Park (D'Cruze et al. 2008) and Réserve Naturelle Intégrale du Tsaratanana.
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Wikipedia

Mantidactylus ambreensis

Mantidactylus ambreensis 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, and rivers. It is threatened by habitat loss.

References[edit]

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