Vietnamese Mossy Frog, or Tonkin Bug-eyed Frog is found in Northern Vietnam and possibly China. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montane forests, freshwater marshes, intermittent freshwater marshes, and rocky areas. It is a semi-aquatic, semi-arboreal species. The females will grow larger than the males and can reach sizes of 7–8 cm. This species will curl into a ball when frightened, and play dead. It is insectivorous.