[1][2][3] It is found in Angola, Democratic Republic of the Congo, Gabon, western Kenya, and Uganda.

[1] The specific name osorioi honours Balthazar Osório, a Portuguese ichthyologist.

Males have small, scattered, and inconspicuous asperities on the dorsal surfaces of head, body, and limbs.

[3] The male advertisement call consists of a series of clicks emitted at a rate of 18–30 per second.

Breeding takes place in small temporary and permanent water bodies with overhanging vegetation.