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Text and photos by Nick Baker, unless credited to others.
Copyright © Ecology Asia 2025

 
     
 

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

   
   
 
Beautiful Pygmy Frog 
Microhyla pulchra
   
   

Family : MICROHYLIDAE
Species : Microhyla pulchra
Size (snout to vent) : up to 2.9 cm

Microhyla pulchra (Beautiful Pygmy Frog, Marbled Narrow-mouth Frog) occurs widely in 'Indochina' and beyond. It is adaptable to a broad range of habitats including disturbed agricultural areas,  grassland and forest edge, at elevations ranging from lowlands up to 1100 metres.

As is typical with many small microhylid frogs, this species is hard to locate unless there is a breeding accumulation of frogs at a temporary or seasonal pool.

Its triangular body shape and relatively large hind legs are typical of frogs of the Microhlya genus. Its patterning typically comprises a broad, cream or light brown stripe on each flank which joins across the nape. The upperside of the snout is creamy white, and this extends back to the eyes.

The range of this species includes much of Thailand (excluding the southern peninsula), Cambodia, Laos, Vietnam and parts of central and southern China.


Fig 1 : Adult example found amongst tall grass at the margin of a small, forest edge pond at Kaeng Krachan National Park,  Phetchaburi Province, Thailand.   Photo thanks to Charles Currin.

Figs 2 and 3 : Example from secondary forest edge at Siem Reap, Cambodia. Photos thanks to Derek Clark.
 

References :

Chan-ard, T. (2003). A photographic guide to amphibians in Thailand. Darnsutha Press Company. 175 pp.

IUCN SSC Amphibian Specialist Group. 2022. Microhyla pulchra. The IUCN Red List of Threatened Species 2022: e.T57891A63880157

Fig 1
  
©  Charles Currin
  
Fig 2
  

©  Derek Clark
 

Fig 3
  

©  Derek Clark