Hyperolius riggenbachi

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

View Printer Friendly

Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	AMPHIBIA	ANURA	HYPEROLIIDAE

Scientific Name:	Hyperolius riggenbachi
Species Authority:	Nieden, 1910

Assessment Information [top]

Red List Category & Criteria:	Vulnerable B1ab(iii) ver 3.1
Year Published:	2004
Assessor/s:	Arne Schiøtz, Jean-Louis Amiet
Reviewer/s:	Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson and Neil Cox)
Contributor/s:
Justification: Listed as Vulnerable because its Extent of Occurrence is less than 20,000 km2, its distribution is severely fragmented, and there is continuing decline in the extent and quality of its habitat in Cameroon and Nigeria.

Geographic Range [top]

Range Description:	This species is known from the Obudu and Mambilla Plateaus of eastern Nigeria, and the Bamenda Highlands, and the Adamawa Plateau (at Ngaouyanga and Banguve), western and central Cameroon. Two subspecies occur: H. r. riggenbachi and H. r. hieroglyphicus, the latter occurring in the Bamenda Highlands and on the Obudu Plateau, in an enclave surrounded by the former subspecies. Its altitudinal range is 900-1,800m asl.
Countries:	Native: Cameroon; Nigeria
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	It is a very common species.
Population Trend:	Decreasing

Habitat and Ecology [top]

Habitat and Ecology:	It lives in wetlands and small wooded watercourses in montane grassland. Males call at dusk from the stems of waterside plants. It breeds in still water near streams.
Systems:	Terrestrial; Freshwater

Threats [top]

Major Threat(s):	It is probably affected by the ongoing loss of its montane grassland, wetland and stream habitat due to small-scale agricultural activities and wood collection, as well as human settlement.

Major Threat(s):

It is probably affected by the ongoing loss of its montane grassland, wetland and stream habitat due to small-scale agricultural activities and wood collection, as well as human settlement.

Conservation Actions [top]

Conservation Actions:	It is not known to occur in any protected areas. Improved habitat protection at sites where this species is known to occur is needed.

Conservation Actions:

It is not known to occur in any protected areas. Improved habitat protection at sites where this species is known to occur is needed.

Citation:	Arne Schiøtz, Jean-Louis Amiet 2004. Hyperolius riggenbachi. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 19 June 2013.
Disclaimer:	To make use of this information, please check the <Terms of Use>.
Feedback:	If you see any errors or have any questions or suggestions on what is shown on this page, please fill in the feedback form so that we can correct or extend the information provided