Kalophrynus pleurostigma
Black-Spotted Narrow-Mouthed Frog, Rufous-sided Sticky Frogs
family: Microhylidae
subfamily: Kalophryninae

© 2009 Pierre Fidenci (1 of 27)

Frogs of Borneo account.

Conservation Status (definitions)
IUCN (Red List) Status Least Concern (LC)
Other International Status None
National Status None
Regional Status None



View distribution map using BerkeleyMapper.

A medium-sized frog with a narrow head and pointed snout; reddish-brown to black in color, with a light middorsal stripe running from the groin to the tip of the snout. Females average 40-60 mm SVL, with males ranging from 30-55 mm SVL. Tubercles present in males. A sticky secretion is exuded when disturbed.

Distribution and Habitat

Country distribution from AmphibiaWeb's database: Indonesia

Malaysian region distribution from AmphibiaWeb's database: Sarawak


View distribution map using BerkeleyMapper.
Found among leaf litter in forested environments over much of southeast Asia (Indonesia, Malaysia, Myanmar, Thailand, and the Philippines; Iskandar, 1998).

Life History, Abundance, Activity, and Special Behaviors
A common species, K. pleurostigma reproduces in water; tadpoles rely on egg yolk for nourishment (Iskandar, 1998).

Possible reasons for amphibian decline

General habitat alteration and loss
Habitat modification from deforestation, or logging related activities
Intensified agriculture or grazing


Iskandar, D. T. (1998). The Amphibians of Java and Bali. Research and Development Centre for Biology-LIPI, Bogor, Indonesia.

Written by Janel Marcelino (janel_m AT, Amphibiaweb intern
First submitted 2006-04-21
Edited by Janel Marcelino (2007-02-17)

Species Account Citation: AmphibiaWeb 2007 Kalophrynus pleurostigma: Black-Spotted Narrow-Mouthed Frog <> University of California, Berkeley, CA, USA. Accessed Oct 14, 2019.

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Citation: AmphibiaWeb. 2019. <> University of California, Berkeley, CA, USA. Accessed 14 Oct 2019.

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