Pangani (pop. about 3500) is situated at the mouth of the river of the same name; it serves a district rich in tropical products, and does a thriving trade with Zanzibar and Pemba.
The eastern group - British East Africa; Uganda; Zanzibar and Pemba (sometimes described as " a sphere of influence "); Somaliland; and the Sudan.
spinner dolphin, which inhabit the west coast of Pemba.
Pemba has strong ties with Oman - the Omani sultanate ruled Pemba and Zanzibar until the revolution of 1964.
There is a resident school of around four hundred spinner dolphin, which inhabit the west coast of Pemba.