IUCN threat status:

Least Concern (LC)

Comprehensive Description

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R. owstoni has a relatively large body. This species has 7-9 vomerine teeth. Both the forelimb and hindlimb webbing are not well developed. The mean snout to vent length for males is 45 mm (range 42-51) and for females it is 56 mm (range 50-67). In males, the nuptial pads are yellowish white. This species has a pair of slit-like vocal openings. The skin on the back of this species is smooth, and the throat is nearly smotth with scattered small granules. There is no dorsolateral fold but a supratympanic fold is prominent.

This species is probably a close relative to R. moltrechti from Taiwan. The mating call of R. owstoni is long, containing 20 pulses and lasting 1.6 seconds.


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