Ajman is the smallest emirate, comprising only 260 square kilometres. It is ruled by the Al Nuami family. Surrounded mostly by the emirate of Sharjah, Ajman also possesses the small enclaves of Manama and Musfut in the Hajar Mountains. Along the creek dhow building was the specialised trade. Fishing and date-trees provided the local population with their primary means of sustenance. Ajman benefited greatly from the union of the emirates, a fact that is reflected today in their stately buildings and infrastructure. Sheikh Humaid bin Rashid Al Nuami has been the ruler since 1981.