AMPHIBIAWEB
Lankanectes corrugatus
Corrugated water frog
family: Ranidae

© 2005 Dr. Peter Janzen (1 of 1)

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Conservation Status (definitions)
IUCN (Red List) Status Least Concern (LC)
See threat category on Global Amphibian Assessment web site.
CITES No CITES Listing
Other International Status None
National Status vulnerable
Regional Status None

Description
Size of male: 35 mm, female: up to 71 mm. Dosally brown or brownish orange with black blotches and spots. Interorbital with a yellow transverse band. Limbs with or without dark black crossbars. White or light brown below, mottled with brown especially on throat and under legs. Some specimen have a white or yellowish-ornage mid-vertebral band.

Distribution and Habitat

Country distribution from AmphibiaWeb's database: Sri Lanka

View distribution map using BerkeleyMapper.
Terra typica: “Rambodde”, Ceylon [Sri Lanka] Endemic to Sri Lanka. A submontane species, being recorder betwenn elevations of 60-1525 m asl. In the hills of western, southernand central Sri Lanka. Found in margins of shaded, shallow, slow-flowing streams and under grass tussocks in marshes.

Life History, Abundance, Activity, and Special Behaviors
An aquatic species. It was observed with only the tip of its snout and eyes exposed. I found L. corrugatus in the Sinharaja Biosphere Reserve in a small slow-flowing stream inside the forest.

Possible reasons for amphibian decline

Habitat modification from deforestation, or logging related activities
Habitat fragmentation
Local pesticides, fertilizers, and pollutants
Long-distance pesticides, toxins, and pollutants

Comments
L. corrugatus is distinguished from all other Sri Lankan ranids by having the dorsum with numerous transverse folds.

References
 

De Silva, A., Molur, S., Walker, S. (2000). CAMP Report for Amphibians and Reptiles of Sri Lanka. Conservation Breeding Specialist Group, Sri Lanka, Colombo.  

Dutta, S.K. & Manamendra-Arachchi, K. (1996). The Amphibian Fauna of Sri Lanka. WHT, Colombo, Sri Lanka.



Written by peter janzen (pjanzen AT gmx.de), dght. 2000-09-08
Edited by peter janzen (2005-05-17)



Citation:
AmphibiaWeb: Information on amphibian biology and conservation. [web application]. 2008. Berkeley, California: AmphibiaWeb. Available: http://amphibiaweb.org/. (Accessed: Aug 20, 2008).

AmphibiaWeb's policy on data use.