Overview

Comprehensive Description

Description

M 36-43 mm. Tibiotarsal articulation reaches at least the eye, sometimes beyond snout tip (Glaw and Vences 2007). Hand with some webbing, foot webbing 1(0), 2i(1), 2e(0), 3i(1), 3e(0), 4i/e(1.25-1.5), 5(0) (Glaw and Vences 2007). Dorsal skin with a network of fine dermal reticulations (Glaw and Vences 2007). Distinct spines on elbow and heel (Glaw and Vences 2007). Colour typically rather uniform light (Glaw and Vences 2007) to dark brown (Vences et al. 2005). Legs and arms are gray-brown with darker brown banding (Vences et al. 2005). Venter white with dark brown speckling on throat, chest and belly (Vences et al. 2005). Distinct whitish tubercles in the cloacal region (Vences et al. 2005). Iris light tan with brown speckling near the pupil, and a turquoise periphery. The outer iris area in its upper part is reddish except in specimens from Marojejy, which are genetically differentiated and have a brown eye colouration (Glaw and Vences 2007). Males have nuptial pads (Vences et al. 2005).

Partly taken (with permission) from Glaw and Vences (2007).

  • Vences, M., Andreone, F., and Rabibisoa, N. H. C. (2008). Boophis axelmeyeri. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 15 March 2009.
  • Vences, M., Andreone, F., and Vieites, D. R. (2005). ''New treefrog of the genus Boophis Tschudi 1838 from the north-western rainforests of Madagascar.'' Tropical Zoology, 18, 237-249.
  • 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 has been recorded from the Tsaratanana Massif at 688 m asl, the Manongarivo Massif at 1,000 m, and the Marojejy Massif at around 700 m, in northwestern Madagascar (Vences et al. 2005, Glaw and Vences 2007, Andreone et al. 2008). It has been provisionally recorded through observation from the Anjanaharibe Sud Special Reserve, Ambolokopatrika-Betaolana (at 1,200 m) and from Masoala (Andreone et al. 2008). It might exist as several isolated populations (Vences et al. 2005).
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Distribution and Habitat

Tsaratanana Massif (Antsahamanara campsite, at 688 m asl ), Manongarivo Massif (1000 m asl), Marojejy Massif (700 m asl), and the Anjanaharibe Sud Special Reserve (Glaw and Vences 2007; Vences et al. 2008).

  • Vences, M., Andreone, F., and Rabibisoa, N. H. C. (2008). Boophis axelmeyeri. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 15 March 2009.
  • Vences, M., Andreone, F., and Vieites, D. R. (2005). ''New treefrog of the genus Boophis Tschudi 1838 from the north-western rainforests of Madagascar.'' Tropical Zoology, 18, 237-249.
  • 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
This species appears to be restricted to primary mid-elevation tropical moist forest (Vences et al. 2005). It is not thought to occur in disturbed areas. Calling males have been observed at night perched on vegetation at 2-3 m alongside small streams. It is a stream-breeding species with a larval development stage (Vences et al. 2005).

Systems
  • Terrestrial
  • Freshwater
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
VU
Vulnerable

Red List Criteria
B1ab(iii)

Version
3.1

Year Assessed
2009

Assessor/s
Vences, M., Andreone, F., Rabibisoa, N.H.C. & Cox, N.

Reviewer/s
Hoffmann, M. & Angulo, A.

Contributor/s

Justification
Listed as Vulnerable because its three certain locations are believed to have an extent of occurrence of less than 20,000 km², although additional surveys may reveal the species to be more widespread than is currently known. There is reported to be a continuing decline in the extent and quality of its habitat.

History
  • 2008
    Near Threatened
    (IUCN 2008)
  • 2008
    Near Threatened
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Population

Population
This species appears to be locally abundant in undegraded habitat.

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

Males call at night from bushes and trees 2-3 m above the ground along small streams in rainforest. The calls consist of two types of unharmonious notes, a longer, isolated note and a series of about ten short notes (Glaw and Vences 2007). Breeds in streams (Vences et al. 2005)

  • Vences, M., Andreone, F., and Rabibisoa, N. H. C. (2008). Boophis axelmeyeri. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 15 March 2009.
  • Vences, M., Andreone, F., and Vieites, D. R. (2005). ''New treefrog of the genus Boophis Tschudi 1838 from the north-western rainforests of Madagascar.'' Tropical Zoology, 18, 237-249.
  • 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
The known populations within protected areas are not considered to be under any immediate threat (Vences et al. 2005). However, it is a forest specialist, and so any populations outside protected areas could be at risk from forest loss. Andreone et al. (2008) generally report that there is a substantial continuing decline in the extent and quality of its habitat, presumably through the general conversion of land to agricultural use or logging/collection of firewood.
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Life History, Abundance, Activity, and Special Behaviors

Reduced distribution area (Glaw and Vences 2007). Populations may be fragmented (Vences et al. 2005). Occurs within at least one protected area, the Anjanaharibe Sud Special Reserve (Vences et al. 2008).

  • Vences, M., Andreone, F., and Rabibisoa, N. H. C. (2008). Boophis axelmeyeri. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 15 March 2009.
  • Vences, M., Andreone, F., and Vieites, D. R. (2005). ''New treefrog of the genus Boophis Tschudi 1838 from the north-western rainforests of Madagascar.'' Tropical Zoology, 18, 237-249.
  • 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
This species has been recorded from within the Tsaratanana Strict Nature Reserve, the Manongarivo Special Reserve, and the Marojejy National Park (Vences et al. 2005, Andreone et al. 2008), and may be present within the Anjanaharibe Sud Special Reserve and the Masoala National Park. Additional studies are needed into the distribution, abundance, breeding biology, general ecology and threats to this species.
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Wikipedia

Boophis axelmeyeri

Boophis axelmeyeri is a species of frog in the Mantellidae family. It is endemic to Madagascar.

References[edit]


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