Overview

Comprehensive Description

Description

M 27 mm, F 31 mm. Hand without webbing, foot webbing 1(0.5), 2i(1), 2e(0.5), 3i(2), 3e(1), 4i/e(2), 5(1). Tympanum in males very large, fully translucent, enabling observers to "look through the head" of the specimen; females with a smaller tympanum. Males with a slightly distensible single subgular vocal sac and distinct femoral glands. Dorsal skin smooth to very slightly granular. Dorsally greenish with brown markings, and with silvery white spots on the flanks. Ventrally silvery white with two black streaks on the throat; limbs and throat edges translucent green (Glaw and Vences 2007).

Similar species: Can be confused with species of Guibemantis, such as G. liber.

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

  • Glaw, F. and Vallan, D. (2008). Mantidactylus argenteus. 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 broadly distributed in east-central Madagascar, from Ambatuvaky south to Andringitra. It has been recorded at 500-1,100m asl.
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Distribution and Habitat

Species occurs in Ambatovaky, Ambohimanana, An’Ala, Andringitra (Iantara river, Sahavatoy river, Marovitsika), Ankeniheny, Folohy, Mananara, Mantadia, Midongy (Glaw and Vences 2007). It has been recorded at 500-1100 m asl (Glaw and Vallan 2008).

  • Glaw, F. and Vallan, D. (2008). Mantidactylus argenteus. 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 pristine rainforest, and has once been found in secondary habitats next to forest. The eggs are laid on leaves above streams, into which the larvae fall and develop.

Systems
  • Terrestrial
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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
2008

Assessor/s
Glaw, F. & Vallan, D.

Reviewer/s
Stuart, S.N., Chanson, J.S. & Cox, N.A.

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 common species.

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

Habits: Along streams in rainforest. Can be found on the ground, but males call during the day from bushes and trees 0.5-3 m above the ground. A clutch of 12 eggs was found on a leaf overhanging a stream, guarded by the male at night (Glaw and Vences 2007).

Calls: A series of 6-15 short and rather melodious notes (Glaw and Vences 2007).

  • Glaw, F. and Vallan, D. (2008). Mantidactylus argenteus. 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 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 (Glaw and Vallan 2008).

  • Glaw, F. and Vallan, D. (2008). Mantidactylus argenteus. 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 argenteus

Mantidactylus argenteus is a species of frog in the Mantellidae family. It is endemic to Madagascar. Its natural habitats are subtropical or tropical moist lowland forests and heavily degraded former forest. It is threatened by habitat loss.

References[edit]

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