IUCN threat status:

Critically Endangered (CR)

Comprehensive Description

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The snout-vent length is approximately 43mm in males and 56mm in females. Head width is slightly greater than length. Horizontally aligned and oval shaped pupils. A dark brown mark between eyes in the shape of the outline of hourglasses. Obvious tympanum, round snout, and teeth on upper-jaw. The interocular distance is greater than the width of eyelids. The dorsal surface is smooth, light brown, with dark gray or brown specks, many small granules, and a mark that is the outline of an arrow pointing toward the head. Thick dorsolateral fold extends from eyes to groin and is straight near the temporal area. Brown triangular spots on temporal fold. Tarsal fold is not obvious. Ventral surface is light yellow and smooth, with brown spots (including labial area). The ventral surface of the limbs are reddish, with small gray specks. Lower forelimbs and hind legs have irregularly shaped, dark, horizontal stripes. The hind legs are long, without femoral glands. The heels can overlap. Tibia is longer than half of the body length. Tips of digits are slightly swollen, with no grooves. Supernumerary tubercles near the base of fingers are not well developed, only two third webs exist between the outer three toes.

The marks and strips are not very obvious on female's dorsal area and legs. Males have dark purplish gray nuptial spines on the first toe, and the linea musculina on the back, but no vocal sac.


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