
Photo: Wibowo Djatmiko (Wie146) · CC BY-SA 3.0 (May be cropped or resized)
Calloselasma rhodostoma
Range
Southeast Asia from Thailand to northern Malaysia and Java
The Malayan pit viper, also called the Malayan ground pit viper, Javan pit viper or Indonesian pit viper, is the only species in its genus and is endemic to Southeast Asia, from Thailand to northern Malaysia and on the island of Java. No subspecies are currently recognised (Wikipedia, general species account).