It is endemic to Ethiopia and occurs in the central and southern parts of the country on both sides of the Rift Valley;[1][2] its range may extend south to Kenya, perhaps further.

[3] The specific name minutus refers to the small size of this frog.

Dorsal skin is smooth or may have warts that can even be prominent, especially on the upper flanks, posterior back, and hind limbs.

[3] Phrynobatrachus minutus occurs at the swampy margins of aquatic habitats (lakes, rivers, streams, and temporary pools) in moist grassland and forest clearings at elevations of 1,300–2,800 m (4,300–9,200 ft) above sea level, but perhaps as low as 800 m (2,600 ft).

Habitat degradation, caused in particular by agricultural expansion, human settlement, and overgrazing, is a threat to it.