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Nannophrys ceylonensis, commonly known as the Sri Lanka rock frog or the Ceylon streamlined frog, is a species of frog.It used to be placed in the large frog family Ranidae but a phylogenetic study was undertaken using DNA sequences and it is now included in the family Dicroglossidae.
It is endemic to Sri Lanka where its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, rivers and streams.
Female Sri Lanka rock frogs grow to a length of about 5 centimetres (2.0 in) while males grow to 4 centimetres (1.6 in). The colour is olive green or yellowish-brown, mottled with brown patches.
The legs have transverse bars of brown. When sitting on alga covered rocks it is well camouflaged.
Conservation Status: Endangered (EN)
Sounds
Listen to the call recordings collected for Sri lanka rock frog. Amphibian calls are unique to each species and play a vital role in communication, mating, and territorial behaviour. These recordings were captured in the field and represent the natural vocalisations of this species in its native habitat.
References
De Silva, A., Gabadage, D. E., Bahir, M. M., Botejue, W. M. S., Madawala, M. B., Surasinghe, T. D., ... & Karunarathna, D. M. S. S. (2014). On the discovery of second living population of Adenomus kandianus (Günther, 1872) from sri lanka: with the bioECOLOGY, and detailed redescription to the species.
Manamendra-Arachchi, K. & Pethiyagoda, R. (2006) Sri Lankawe ubhayajeeveen [‘The amphibian fauna of Sri Lanka’]. WHT Publications, Colombo, 440 pp., 88 pls. [in Sinhala]
Manamendra-Arachchi, K., & Pethiyagoda, R. (1998). A synopsis of the Sri Lankan Bufonidae (Amphibia: Anura) with description of new species. Journal of South Asian Natural History, 3, 213-248.
Meegaskumbura, M., Senevirathne, G., Wijayathilaka, N., Jayawardena, B., Bandara, C., Manamendra-Arachchi, K., & Pethiyagoda, R. (2015). The Sri Lankan torrent toads (Bufonidae: Adenominae: Adenomus): species boundaries assessed using multiple criteria. Zootaxa, 3911(2), 245-261.
Wickramasinghe, L. M., Vidanapathirana, D. R., & Wickramasinghe, N. (2012). Back from the dead: The world’s rarest toad Adenomus kandianus rediscovered in Sri Lanka. Zootaxa, 3347(1), 63-68.
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No location records are available for this species yet.
Sri lanka rock frog
The Sri Lanka rock frog is endemic to south, central and western Sri Lanka where it is found in wet tropical forests at altitudes of up to 1,200 metres (3,900 ft) above sea level. It is a largely aquatic species and occurs in fast flowing mountain streams, under boulders and on wet rocks beside waterfalls. It is also found on land in disturbed areas where there are suitable breeding locations such as wet seeps. The tadpoles are semi-terrestrial and are sometimes found on wet rocks beside torrents.
