Nannophrys ceylonensis
Sri Lanka rock frog
family: Dicroglossidae
subfamily: Dicroglossinae

© 2011 Dr. Peter Janzen (1 of 18)

 view video (5384.2K MPG file)
 view video (6324.2K MPG file)

[video details here]

Conservation Status (definitions)
IUCN (Red List) Status Vulnerable (VU)
Other International Status None
National Status vulnerable
Regional Status None



View distribution map using BerkeleyMapper.

Upper surface of body is yellowish or olive green, marbled with brown. Limbs with brown crossbars. Size of females 45-53 mm, males 33-43 mm.

Distribution and Habitat

Country distribution from AmphibiaWeb's database: Sri Lanka


View distribution map using BerkeleyMapper.
Terra Typica: „Ceylon“ This species is found in hills of southern, western and central Sri Lanka from 60 to 1070 m asl. on rocks in cascades and in wet boulders in lowland and submontane forests. The body is diffucult to recognize on rocks with algae.

Life History, Abundance, Activity, and Special Behaviors
Nannophrys is found on rocks in cascades. The tadpoles are semiterrestrial and occur in shallow sheets of water in seeps. They are well adapted to rapid flowing creaks.

Possible reasons for amphibian decline

Prolonged drought
Habitat fragmentation


Dutta, S.K. and Manamendra-Arachchi, K. (1996). The Amphibian Fauna of Sri Lanka. Wildlife Heritage Trust of Sri Lanka, Colombo, Sri Lanka.

Manamendra-Arachchi, K. (2000). ''Know your frog.'' Sri Lanka Nature, 2(5), 4-16.

Written by Peter Janzen (pjanzen AT, DGHT
First submitted 2000-09-08
Edited by Peter Janzen (2005-05-10)

Species Account Citation: AmphibiaWeb 2005 Nannophrys ceylonensis: Sri Lanka rock frog <> University of California, Berkeley, CA, USA. Accessed Oct 18, 2019.

Feedback or comments about this page.


Citation: AmphibiaWeb. 2019. <> University of California, Berkeley, CA, USA. Accessed 18 Oct 2019.

AmphibiaWeb's policy on data use.