It is endemic to the island of Borneo and can be found in Sabah and Sarawak (Malaysia), Brunei, and northern Kalimantan (Indonesia).
[4] Tadpoles probably belonging to this species are small, total length 10–14 mm (0.4–0.6 in).
[2] Ansonia albomaculata is a lowland stream-associated species[4] that is known from elevations between 150 and 500 m (490 and 1,640 ft) above sea level.
[1] Ansonia albomaculata is known from widely scattered localities and is generally considered rare, although it can be abundant at some places.
These also negatively affect the larval habitat through siltation and through eutrophication caused by chemical fertilizers.