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Text and photos by Nick Baker, unless credited to others. Copyright ゥ Ecology Asia 2026

 
     
 

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

   
   
 
Dark-sided Chorus Frog  - 
Microhyla heymonsi
   
   

Fig 1


Fig 2


Fig 3


Fig 4


Fig 5

 

 

Family : MICROHYLIDAE
Species : Microhyla heymonsi
Size (snout to vent) : Female 2.5 cm, Male 2.0 cm

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This tiny, terrestrial frog species lives near small puddles and ponds in rural areas and secondary forest. Its colour pattern is quite distinctive from other species of Narrow-mouthed Frog. It can be hard to find, on account of its small size and its habit of lying concealed in the grass or under leaf litter. Its call is a series of rapidly repeated clicking sounds.

The species ranges from southern China through Thailand to Peninsular Malaysia and Sumatra. In Singapore it is quite common in abandoned rural land, and parks and gardens.


Fig 1 : Mating pair in swamp habitat, Singapore.

Fig 2 : Tadpole from Johor, Peninsular Malaysia.

Fig 3 : Tadpole with feeding parts extended as it feeds on floating organic debris.

Fig 4 : Adult photographed in secondary forest, Singapore.

Fig 5 : Adult from Bukit Timah Nature Reserve, Singapore.


References :

Manthey U., Grossmann W., 1997. Amphibien und Reptilien Sudostasiens. Natur und Tier - Verlag.