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Text and photos by Nick Baker, unless otherwise stated

 EcologyAsia 2008
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Yellow-bellied Puddle Frog
   

Photographed at Taman Negara, Pahang, Peninsular Malaysia.

Family : RANIDAE
Species : Occidozyga sumatrana
Size (snout to vent) :
Female 4.8 cm,  Male 3.1 cm

References : H2, H3

This is a frog of small streams and gullies in lowland primary and secondary forests; it can be found sitting in shallow water with the head emerged.

Its body colour is grey-brown or olive-brown, and mottling is common. Vertebral stripes are sometimes seen, and there is often a pale patch behind the head. The body is stocky, the hind legs muscular, and the hind feet fully webbed.

 
 

Specimen with vertebral stripe.
Taman Negara, Pahang, Peninsular Malaysia.

The species ranges from Southern Thailand, Peninsular Malaysia and Singapore to Sumatra, Java, Sulawesi and the Philippines.