Ptychadena mahnerti


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Ptychadena mahnerti
Species Authority: Perret, 1996
Common Name(s):
English Mahnert's Ridged Frog, Highland Ridged Frog

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Needs updating
Assessor(s): Jean-Luc Perret, Robert Drewes, Stefan Lötters
Reviewer(s): Global Amphibian Assessment Coordinating Team (Simon Stuart, Janice Chanson and Neil Cox)
Listed as Least Concern since, although its Extent of Occurrence is probably less than 20,000 km2, it is likely to be adaptable with a presumed large population, and it is unlikely to be declining fast enough to qualify for listing in a more threatened category.

Geographic Range [top]

Range Description: This species is known only the mountains of Kenya on both sides of the Rift Valley, north of Nairobi. It is known from Mount Elgon, Tambach, Njoro, the Aberdare Mountains, Mount Kenya and the Nyambeni Hills. It has been recorded between 1,900 and 2,550m asl.
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The population status of this species is unknown.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: It is a species of humid montane grasslands, fields and forest clearings. It breeds in herbaceous marshes and permanent ponds.
Systems: Terrestrial; Freshwater

Threats [top]

Major Threat(s): Little information is available, but it is probably adaptable and not facing many threats. Local populations might be impacted by overgrazing by livestock, and smallholder agriculture.

Conservation Actions [top]

Conservation Actions: It occurs in the Aberdares and Mount Kenya National Parks.

Citation: Jean-Luc Perret, Robert Drewes, Stefan Lötters 2004. Ptychadena mahnerti. The IUCN Red List of Threatened Species. Version 2015.2. <>. Downloaded on 05 September 2015.
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