The species is endemic to Pemba Island, Tanzania, and typically inhabits banana trees and dwellings.

The Pemba Island day gecko feeds on insects and nectar.

The Pemba Island day gecko is quite shy and stays so, even in captivity.

The females of P. parkeri are colony nesters and many eggs can be found at one location.

In captivity, these animals can be fed with crickets, wax moth larvae, fruit flies, mealworms, and houseflies.