[1][2][4] The specific name perreti honours Jean-Luc Perret [fr], a Swiss herpetologist who has specialized in African amphibians.

The dorsum is brownish or greenish marbled with black parts, or more or less uniformly dark, and speckled with white minuscule spots.

[3] Petropedetes perreti is a forest species that occurs along mountain streams at elevations of 1,200–1,700 m (3,900–5,600 ft) above sea level, or even higher.

The egg clutches are deposited on rocks within the splash zone of rapids and waterfalls.

[3] It is threatened by habitat loss caused by agriculture, logging, and human settlements.