You asked about C. C.Angulifer are a pricee gecko from $150 for wild caught males to $500 for captive females. Yes well they need a powder dish because in the wild Namibia,South Africa region they lick the minerals of the rocks of the shores where usually fish are spread on to the sand that are swept into the desert. That's how the C. Angulifer gets its Nutriets other than from the insects it eats But from their environment as well.