IUCN threat status:

Near Threatened (NT)

Comprehensive Description

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The male is 47 mm long and the female is 50 mm long. This species has vertical pupils. It lacks a visible tympanum. The upper maxillary is developed. The back is full of spiny tubercles of varying sizes, encircled by black. Back legs are relatively long, with the tibiotarsal articulation extending to the eye. The femoral gland is large and prominent. Digit tips are rounded. The sides of the toe are fringed. The fourth toe is weakly or 1/3 webbed. Dorsal coloration is yellowish brown or light grayish palm. The ventrum of the female is completely spotted with grayish palm, which is not obvious in the male. Limb banding is indistinct. Relatively small spines are present on the backs of the upper arm. The male has thin and dense nuptial spines on the first and second fingers. A pair of small, closely spaced clusters of spines is also present on the chest.

The tadpole is 67 mm in body length and 26 mm in head length. The tail is black, with a rusty, cloudy mark on the upper part of the caudal fin. In the corners of the mouth there are many additional papillae, often possessing small teeth (Fei 1999).


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