Ansonia albomaculata
Range
Endemic to Borneo: Sabah, Sarawak, Brunei and northern Kalimantan
Size
Males to 30mm; females to 35mm
The white-lipped slender toad, also known as the whitebelly stream toad, is a toad in the family Bufonidae, endemic to Borneo, where it can be found in Sabah and Sarawak, Brunei and northern Kalimantan. Males grow to 30 mm and females to 35 mm in snout–vent length, and the overall appearance is slender (Wikipedia, general species account).