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Xenopus pygmaeus

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA AMPHIBIA ANURA PIPIDAE

Scientific Name: Xenopus pygmaeus
Species Authority: Loumont, 1986
Common Name/s:
English Bouchia Clawed Frog
Taxonomic Notes: This species is a diploid species in the Xenopus fraseri Group (Loumont 1986).

Assessment Information [top]

Red List Category & Criteria: Least Concern     ver 3.1
Year Published: 2004
Assessor/s: Richard Tinsley, John Measey
Reviewer/s: Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson and Neil Cox)
Justification:
Listed as Least Concern because, although it is seldom recorded, it has a relatively wide distribution, is tolerant of a degree of habitat modification, has a presumed large population, and because it is unlikely to be declining fast enough to qualify for listing in a more threatened category.

Geographic Range [top]

Range Description: This species ranges from Bagandou, Etoi and Bouchia in southern Central African Republic, east to northeastern Democratic Republic Congo as far as Semliki in western Uganda. It presumably occurs in northern Congo, but this has not yet been confirmed. Because of the difficulty in identifying cryptic Xenopus species, probably some records of this species have been assigned to Xenopus fraseri. This probably includes at least some X. fraseri records from Garamba and Virunga National Parks.
Countries:
Native:
Central African Republic; Congo, The Democratic Republic of the; Uganda
Presence uncertain:
Congo
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is abundant in suitable habitat.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: It is a water-dependent species found in small water holes, pools and shady swamps in lowland forest. It is clearly adaptable, since it has also been found in swamps at the edge of a village. It breeds in still water. In Bouchia it is sympatric with X. andrei, X. muelleri and S. epitropicalis.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): In view of its wide distribution and likely adaptability to altered habitats, this species is unlikely to be seriously threatened. It is harvested for human consumption, and this might have an impact on local populations.

Conservation Actions [top]

Conservation Actions: It might occur in the Garamba and Virunga National Parks in Democratic Republic of Congo.

Bibliography [top]

1996. The Biology of Xenopus. Zoological Society of London, Clarendon Press, London.

Frétey, T. and Blanc, C.P. 2000. Liste des Amphibiens d'Afrique Centrale. ADIE, Libreville, Gabon.

Inger, R.F. 1968. Amphibia. Expl. Parc Natn. Garamba: 1-190.

IUCN. 2004. 2004 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 23 November 2004.

Kobel, H.R., Barundun, B. and Thiebaud, C.H. 1998. Mitochondrial rDNA phylogeny in Xenopus. Herpetological Journal: 13-17.

Laurent, R.F. 1972. Amphibiens. Exploration du Parc National des Virunga, 2e Ser.: 1-125.

Loumont, C. 1986. Xenopus pygmaeus, a new diploid pipid frog from rain forest of equatorial Africa. Rev. Suisse Zool.: 735-764.

Citation: Richard Tinsley, John Measey 2004. Xenopus pygmaeus. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 25 May 2012.
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