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Text and photos by Nick Baker, unless credited to others.
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Frilled Tree Frog 
Kurixalus chaseni
   
   

Fig 1


Fig 2


Fig 3


Fig 4


Fig 5


 

Family : RHACOPHORIDAE
Species : Kurixalus chaseni (formerly K. appendiculatus)
Size (snout to vent) : Female 5.0 cm, Male 3.7 cm 

Play call

The Frilled Tree Frog is a small species of lowland freshwater swamp forests. During rainy periods it can be heard calling from the lower branches of trees and saplings, about 2 metres above ground. Its call is an attractive 'peep, peep'.

Like most tree frogs it builds a foam nest containing its eggs. This is suspended above small pools and puddles on flooded forest floors. Upon hatching, or during heavy rain, the tadpoles drop or are washed into these shallow pools where they complete the final stages of their development.

The dorsal surface is mottled green or brown, and the ventral surface pale. A distinctive feature are the frills of skin which adorn the outer margin of its hind limbs. The eyes are large and the iris horizontal.

The Frilled Tree Frog ranges from Indochina (?) through Thailand and Peninsular Malaysia to Sumatra and Borneo. It is absent from Singapore.


Figs 1 to 3 : Three examples from Johor, Peninsular Malaysia.

Fig 4 : Example from Danum Valley, Sabah, Borneo.

Fig 5 : Example from Taman Negara, Pahang, Peninsular Malaysia.


References :

Inger R. F., Lian T.F., 1996. The Natural History of Amphibians and Reptiles in Sabah. Natural History Publications (Borneo) Sdn. Bhd.

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