In August 1840, the conclusion of a treaty of friendship and commerce between the Sultan Mohammed bin Mohammed of Tadjoura and Commander Robert Moresby of the Indian Navy is tracking the sale of Moucha Island to Great Britain for ten sacks of rice. The sale will however follow any occupation. In 1887, Britain cedes sovereignty of the island to France at the same time it recognizes the French sphere of influence in the Gulf of Tadjoura, in exchange for the abandonment by France of any right in Zeila and the neighboring islands.
Geography
The area of the gulf is 347 km². The length is 64 km and the width varies from 26 km.The gulf is relatively shallow with the depth decreasing from the entrance to the gulf to the continent. The coast is mostly sloping; there are abundant sandy dunes, with occasional palm trees. The southern shores are smooth and shallow. At the entrance of the Gulf is the group of small islands of Moucha and Maskali. At the bottom of the Gulf, separated only by a narrow neck of land, Ghoubbet-el-Kharab and Assal. Geologically, formerly covered the Gulf to Lake Assal, which is now about 155 meters below sea level
Limits
The limits of the Gulf of Tadjoura as follows:
Islands
The Gulf of Tadjoura is home to many small islands. Geographically the biggest island in the Gulf of Tadjoura is Moucha Island. The Gulf of Tadjoura islands are often also historically significant, having been used in the past by colonial powers such as the French and the British in their trade or as acquisitions for their empires.
Wildlife
The wildlife of the Gulf of Tadjoura is diverse, and entirely unique due to the gulf's geographic distribution. The Gulf of Tadjoura has hosted some of the most magnificent marine fauna and flora, some of which are near extinction or at serious environmental risk. From corals, to dugongs, Gulf of Tadjoura is a diverse cradle for many species who depend on each other for survival.
Population
The Gulf of Tadjoura is far more densely populated on the Djiboutian shore. The most significant towns and cities along both the Djiboutian and Somali sides of the Gulf of Tadjoura
Djibouti
Djibouti City: 529,000
Tadjoura: 45,000
Obock: 21,000
Loyada: 1,367
Sagallo: 719
Somalia
Lawyacado: 1,650
Tourism
The Gulf of Tadjoura is one of the major tourist attractions for Djibouti, believed to be a perfect place for snorkelling with whale sharks, diving and underwater photography. There are two important towns on the gulf: Obock, where Afar and Somali sultans had sold settlement rights to the French, and Tadjoura, which houses seven important mosques and offers magnificent views from the sea. Tadjoura is beautifully surrounded by the green Goda Mountains. The hills of this mountain are 1700 meters. Due to coral reefs, the Gulf of Tadjoura is a heaven for divers and snorkelers. It attracts 40% of foreign tourists visiting Djibouti.
Economy
Passenger transport on the gulf includes a number of ferry lines which connect the following ports: Djibouti City, Tadjoura and Obock.