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Family : DICROGLOSSIDAE
Species : Occidozyga sumatrana
Size (snout to vent) :
Female 4.8 cm, Male 3.1 cm
Play call
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Audio file thanks to Law Ingg Thong
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 orange patch behind the head. The body is
stocky, the hind legs muscular, and the hind feet fully webbed.
Occidozyga sumatrana
has often been confused with Occidozyga laevis, but here we follow
the convention that O. laevis is restricted to the Philippines. The species ranges from
Southern Thailand, Peninsular Malaysia and Singapore to the islands of Sumatra, Java
and Borneo.
Fig 1 : Specimen with orange mottling across back of
head, Singapore.
Fig 2 : Specimen with typical yellow belly at Danum
Valley, Sabah, Borneo.
Fig 3 : Specimen with orange vertebral stripe, Singapore.
References :
Manthey U., Grossmann W., 1997. Amphibien und Reptilien Sudostasiens.
Natur und Tier - Verlag.
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