The dorsal pattern consists of an almost square dark spot.

[3] The male advertisement call consists of an initial sound and a small number of identical figures with a peak frequency intensity of 2000–2500 Hz, emitted at a rate of 15–20 per second.

[3] Afrixalus equatorialis occurs in lowland rainforest.

While it can locally be threatened by shifting agriculture, most of its habitat remains intact.

It is also present in the Salonga National Park (Democratic Republic of the Congo).