This species is known only from Mossamedes District, Namibe Province, in southwestern Angola, although its range is largely unknown. Two additional confirmed records exist, however since the specific location data is unavailable they are not included in this assessment. The extent of occurrence (EOO) of known records is 5,205 km2.
Habitat and Ecology
It is associated with granitic inselbergs (small hills or mountains arising from surrounding plains) in dry, sandy areas and Namibian savanna woodlands. Its breeding habits are unknown, but reproduction presumably takes place by larval development in waterbodies.
There is very little information on its population status, and only a few specimens are known, presumably because of lack of herpetological survey work within its range. It has been recently looked for in Namibe (W. Conradie pers. comm. 2016), in suboptimal conditions, and not found.
There is no direct information on threats to this species.
Its presence has not been confirmed in any protected areas, but it is likely to occur in Iona National Park and Namibe Reserve.
Improved habitat protection is required at sites where this species is known to occur.
More information is needed on this species' distribution and population status, ecology, use and trade, and threats.
Red List Status
Data Deficient (DD)
Listed as Data Defficient in view of the absence of recent information on its status and ecological requirements.
IUCN SSC Amphibian Specialist Group, South African Frog Re-assessment Group (SA-FRoG) 2017. Poyntonophrynus grandisonae. The IUCN Red List of Threatened Species 2017: e.T54654A77164148. http://dx.doi.org/10.2305/IUCN.UK.2017-2.RLTS.T54654A77164148.en