Hyperolius cystocandicans 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Amphibia Anura Hyperoliidae

Scientific Name: Hyperolius cystocandicans
Species Authority: Richards & Schiøtz, 1977
Common Name(s):
English Tigoni Reed Frog, Bladder Reed Frog
Taxonomic Source(s): Frost, D.R. 2014. Amphibian Species of the World: an Online Reference. Version 6 (27 January 2014). New York, USA. Available at: (Accessed: 27 January 2014).

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(v) ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Needs updating
Assessor(s): Arne Schiøtz, Kim Howell, Stefan Lötters
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson and Neil Cox)
Listed as Vulnerable because its Extent of Occurrence is less than 20,000 km2, it is known from fewer than ten locations, and there is continuing decline in the number of mature individuals in the Kenyan Highlands.

Geographic Range [top]

Range Description: This species is endemic to the Kenyan Highlands, east of the Rift Valley, from Limuru to Thompson’s Falls, and east to the Nyambeni Mountains. It is a montane species and the type locality is at 2,200m asl.
Countries occurrence:
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It said to be an abundant species, but there has apparently been a general decline in its population.
Current Population Trend: Decreasing
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: It is a species of open farmland and high-altitude grassland. It breeds in temporary, and sometimes permanent, pools. It is often found together with Hyperolius montanus.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): Its montane grassland and pastureland habitats are probably not seriously threatened (except perhaps by afforestation), but there has apparently been a general population decline in areas of suitable habitat for reasons that are not understood.

Conservation Actions [top]

Conservation Actions: It occurs in the Mount Kenya and Aberdares National Parks. Research is needed to investigate the reasons for the decline of this species in apparently suitable habitat.

Citation: Arne Schiøtz, Kim Howell, Stefan Lötters. 2004. Hyperolius cystocandicans. The IUCN Red List of Threatened Species 2004: e.T56128A11428656. . Downloaded on 29 June 2016.
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