Overview

Comprehensive Description

Description

27-28 mm. Dorsal colour variable: uniformly brown, or with partly or almost entirely green back. Flanks black or partly greenish, with relatively large green flank blotches. No sharply delimited rostral stripes and no flashmarks. Iris with light pigment in its upper part. Ventrally black with blue spots and without red colour. Throat without continuous horseshoe marking (Glaw and Vences 2007).

Similar species: M. pulchra and M. baroni differ by reddish ventral colour (Glaw and Vences 2007).

Taken with permission from Glaw and Vences (2007).

  • Raxworthy, C. and Andreone, F. (2008). Mantella nigricans. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 22 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 occurs in northern and northeastern Madagascar from Tsaratanana south to Zamena, at 100-1,000m asl.
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Distribution and Habitat

Anjanaharibe, Mananara-Nord, Manongarivo (1240 m elevation), Marojejy, Tsararano.It occurs between 100-1,240 m asl on the ground along streams in rainforest and forest edge, but not in severely degraded habitats (Raxworthy and Andreone 2008).

  • Raxworthy, C. and Andreone, F. (2008). Mantella nigricans. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 22 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 on the ground along streams in rainforest and forest edge, but not in severely degraded habitats. It presumably breeds like other mantellas, with the eggs laid on land, and the larvae developing 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, Franco Andreone

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: Along streams in primary rainforest. Active during the day on the ground (Glaw and Vences 2007). Breeding takes place in streams, where the larvae develop (Raxworthy and Andreone 2008).

Calls: Series of short single-click notes (Glaw and Vences 2007).

  • Raxworthy, C. and Andreone, F. (2008). Mantella nigricans. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 22 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. It has so far only been traded in very small numbers, but there could be greater demand in the future.
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Life History, Abundance, Activity, and Special Behaviors

Locally abundant but decreasing. It occurs in several protected areas (Raxworthy and Andreone 2008).

  • Raxworthy, C. and Andreone, F. (2008). Mantella nigricans. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 22 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. Any future trade in this species should be carefully regulated. It is listed on CITES Appendix II.
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Wikipedia

Guibé's mantella

The Guibé's Mantella (Mantella nigricans) 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 rivers. It is threatened by habitat loss.

References[edit]

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