The Derby toadlet (Uperoleia aspera) is a species of frog in the family Myobatrachidae. It is endemic to the Kimberley region near Derby and Broome in Western Australia. Its natural habitats are subtropical or tropical dry lowland grassland and intermittent freshwater marshes. References Uperoleia Amphibians of Western Australia Taxonomy articles created by Polbot Amphibians described in 1981 Frogs of Australia