AmphibiaWeb - Lankanectes corrugatus


(Translations may not be accurate.)

Lankanectes corrugatus (Peters, 1863)
Corrugated water frog
family: Nyctibatrachidae
subfamily: Lankanectinae
genus: Lankanectes

© 2012 Dr. Peter Janzen (1 of 11)
Conservation Status (definitions)
IUCN Red List Status Account Near Threatened (NT)
National Status vulnerable
Regional Status None
Access Conservation Needs Assessment Report .



View distribution map in BerkeleyMapper.
View Bd and Bsal data (6 records).

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 in BerkeleyMapper.
View Bd and Bsal data (6 records).
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

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


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

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

Originally submitted by: peter janzen (first posted 2000-09-08)
Edited by: peter janzen (2005-05-17)

Species Account Citation: AmphibiaWeb 2005 Lankanectes corrugatus: Corrugated water frog <> University of California, Berkeley, CA, USA. Accessed May 21, 2024.

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Citation: AmphibiaWeb. 2024. <> University of California, Berkeley, CA, USA. Accessed 21 May 2024.

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