[1] Males measure 33–44 mm (1.3–1.7 in) in snout–vent length; the size of females are unknown.

Dorsum bears numerous scattered small warts; those in the paratoid areas are more prominent.

Dorsal ground color is green, from bright to olive.

[4] Peltophryne fluviatica occurs in xeric habitats with broadleaf gallery forest, usually close to streams.

[1] Peltophryne fluviatica is listed as a Critically Endangered or possibly extinct species due to a restricted range and continual habitat loss.