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Text and photos by Nick Baker, unless otherwise credited.
Copyright © Ecology Asia 2023

 
     
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

   
   
 
Litter Frog (Fraser's Hill)
   
   

Fig 1


Fig 2
 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Family : MEGOPHRYIDAE
Species : Leptolalax sp.
Size (snout to vent) : 
This specimen approx 2.5 cm

There are more than 20 species comprising the genus Leptolalax : most are frogs of primary forest habitats. Typically they inhabit the forest floor, but they may also be found perching on low twigs and small branches overhanging forest streams at a height of around a metre or so.

The frog shown here illustrates the fairly typical morphology of the genus : small size, large dark eyes, slender forelimbs, long hindlimbs, fingers and toes mainly unwebbed and a long third toe.

Many species of the genus are hard to distinguish in the field : some may only be properly identified on the basis of their call.

The specimen illustrated here was found clinging to the branch of a shrub at the base of a small waterfall at Fraser's Hill, Peninsular Malaysia. It is tentatively identified as Leptolalax heteropus (Variable Litter Frog).

Frogs of the genus Leptolalax range from southern China and Myanmar through Thailand and Vietnam to Peninsular Malaysia. They are absent from Singapore.


Figs 1 and 2 : A montane species of Leptolalax, tentatively Leptolalax heteropus, from Fraser's Hill, Pahang, Peninsular Malaysia (elevation 1000 metres).


References :