[1][4] On the other hand, the recently described, supposed diminutive species P. nigripes was simply based on juveniles and subadults of P.

[1][4][5] The specific name pakenhami honours Richard Hercules Wingfield Pakenham, a British colonial administrator who studied the fauna of Zanzibar and Pemba.

Females are marked with brown blotches, which may give a dark cast to the throat.

Breeding takes place in pools, marshes, puddles and roadside ditches in and near tropical evergreen lowland forest.

It is common in the Ngezi Forest Reserve that contains the last remaining stand of indigenous rainforest on the island.