Conraua alleni

Conraua alleni or Allen's slippery frog is a species of frog in the family Conrauidae found in the Ivory Coast, Guinea, Liberia, and Sierra Leone, along with a single outlying site in the Sui River Forest Reserve, Ghana. Its natural habitats are subtropical or [tropical moist lowland forest], subtropical or tropical moist montane forest, and rivers.
It is an aquatic frog that is present in rainforest streams that flow both slowly and fast; the frogs are found in the relatively still areas of the streams.
It is threatened by habitat loss.