AMPHIBIAWEB
Guibemantis methueni

Subgenus: Pandanusicola
family: Mantellidae
subfamily: Mantellinae
 
Species Description: Vences M, Rakotoarison A, Rakotondrazafy AMA, Ratrsoavina FM, Randrianiaina RD, Glaw F, Lehtinen RM, Raxworthy CJ 2013 Assessing the diversity of phytotelmic frogs along Madagascar's east coast: Redefinition of Guibemantis bicalcaratus (Boettger, 1913) and revalidation of Guibemantis methueni (Angel, 1929). Vertebrate Zoology (Senckenberg) 63:193-205.
Conservation Status (definitions)
IUCN (Red List) Status Least Concern (LC)
CITES
Other International Status None
National Status None
Regional Status None

Country distribution from AmphibiaWeb's database: Madagascar

 

View distribution map using BerkeleyMapper.

   

From the IUCN Red List Species Account:

 

Range Description

This species is found in the central region of the east coast of Madagascar from five known localities: Ambila (type locality), Nosy Boraha, Ile aux Nattes, Antetezana north of Toamasina and near Besariaka (south of Moramanga), between 0-980m asl (Vences et al. 2013). It is probably more widespread but, due to morphological similarities with Guibemantis bicalcaratus, it cannot be identified reliably without genetic data (F. Glaw pers. comm., November 2015). Its extent of occurrence is 37,061 km2.

Habitat and Ecology

There is very little ecological and natural history information available for this species, other than that individuals collected were found on Pandanus plants with some inside the water-filled axils of the plant (Vences et al. 2013). It is thought that this species can survive in degraded areas providing Pandanus plants with water-holding leaf axils are present, and it is assumed that eggs are laid and tadpoles develop within these leaf axils (Vences et al. 2013).

Population

There is little population information as the species is primarily known from genetic data. However, G. bicalcaratus - a closely related species with an overlapping range - is relatively abundant in suitable habitat, which is a reasonable inference for this species. Due to ongoing decline in the quality and extent of its habitat, the population is presumed to be decreasing.

Population Trend

decreasing

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 might also be affected by the harvesting of Pandanus plants, which are used for the roofs of huts.

Conservation Actions

Conservation Actions
It does not occur in any protected areas (Vences et al. 2013).

Conservation Needed
Improved protection and management of forests throughout the region is required, including within the boundaries of protected areas.

Research Needed
Further research is required to clarify the species' distribution, population size and trends

Red List Status

Least Concern (LC)

Rationale

Listed as Least Concern due to it wide distribution and presumed large population.

Taxonomic Notes

Removed from the synonymy of Guibemantis bicalcaratus by Vences et al. (2013) where it had been placed by Blommers-Schlösser (1979) and Glaw and Vences (1992).

Citation

IUCN SSC Amphibian Specialist Group 2016. Guibemantis methueni. The IUCN Red List of Threatened Species 2016: e.T79789210A84039838. http://dx.doi.org/10.2305/IUCN.UK.2016-1.RLTS.T79789210A84039838.en .Downloaded on 15 November 2018

 

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