It is found in peninsular India and Sri Lanka.

[2] Bufo fergusonii, now synonymized with Duttaphrynus scaber, was named after Harold S. Ferguson who collected the type specimen.

[3] Duttaphrynus scaber is a widespread and common toad in India and Sri Lanka up to elevations of about 300 m (980 ft) asl.

It is a terrestrial species that occurs in various habitats: wet evergreen tropical forest, tropical dry forest, dry scrubland, grassland, coastal marshes and rural farmland areas.

[1] In parts of its range, Duttaphrynus scaber is seriously threatened by habitat loss caused by deforestation, pollution, and urbanization.