Nanorana maculosa (common names: spotted paa frog, Piebald spiny frog) is a species of frog in the family Dicroglossidae. It is endemic to central Yunnan, China, where it occurs in Jingdong County and Shuangbai County.[1] This rare frog inhabits forest streams. It is threatened primarily by collection for human consumption. It is currently protected by the Ailaoshan and Wuliangshan National Nature Reserves.
Nanorana maculosa are relatively large frogs: males grow to a snout–vent length of about 86mm and females to 83mm. Tadpoles are up to 46mm in length.[2]