[1][3][4] The specific name coudreaui honours Jean Coudreau, a colonial forestry administrator in Madagascar who collected the holotype.

The fingers and toes show traces of webbing.

It is similar to Rhombophryne testudo but lacks the barbels on the lower lip of the latter.

It is threatened by habitat loss and deterioration, particularly in coastal rainforests.

It occurs in the Betampona Reserve and Marojejy National Park.