Cacosternum rhythmum
Rhythmic Dainty Frog
family: Pyxicephalidae
subfamily: Cacosterninae
Species Description: Channing A., Schmitz A., Burger M., and Kielgast J. 2013. A molecular phylogeny of African Dainty Frogs, with the description of four new species (Anura: Pyxicephalidae: Cacosternum). Zootaxa 3701: 518-550.
Conservation Status (definitions)
IUCN (Red List) Status Least Concern (LC)
Other International Status None
National Status None
Regional Status None

Country distribution from AmphibiaWeb's database: South Africa



View distribution map using BerkeleyMapper.

From the IUCN Red List Species Account:


Range Description

This species is currently only known from the KwaZulu-Natal midlands in South Africa, but it is expected to have a wide distribution (Channing et al. 2013).

Habitat and Ecology

The specimens were found in flat open terrain with shallow pools and flooded grassy patches (Channing et al. 2013). It breeds in temporary pools with abundant vegetation (Channing et al. 2013).


It is considered a widespread and common species.

Population Trend


Major Threats

Its temporary breeding pools are threatened by draining due to agriculture.

Conservation Actions

Conservation Actions
No conservation actions are currently in place for this species. It likely occurs in several protected areas across its range.

Research Needed

Studies on its population size, distribution and trends, life history and ecology, and threats are needed.

Red List Status

Least Concern (LC)


Listed as Least Concern due to its wide distibution and presumed large population. However, being a recently described species, further researches need to be carried out concerning its population trends, life history and ecology and threats.


IUCN SSC Amphibian Specialist Group, South African Frog Re-assessment Group (SA-FRoG) 2017. Cacosternum rhythmum. The IUCN Red List of Threatened Species 2017: e.T76317544A76317880. .Downloaded on 24 February 2019


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