Persian Gulf Bryde's whales, these once common residents can still can be seen in deeper marginal seas such as Gulf of Aden, Israel coasts, and in the Strait of Hormuz. Other species such as the critically endangered Arabian humpback whale, (also historically common in Gulf of Aden and increasingly sighted in the Red Sea since 2006, including in the Gulf of Aqaba), omura's whale, minke whale, and orca also swim into the gulf, while many other large species such as blue whale, sei, and sperm whales were once migrants into the Gulf of Oman and off the coasts in deeper waters, and
Territorial disputes in the Persian Gulf boundary were not disclosed. More recently, a dispute over the Dolphin Gas Project has renewed interest in the 1974 agreement. Earlier, the physical separation of the southern portion of Oman from its territory on the Musandam Peninsula was a source of friction between Oman and the various neighboring emirates that became the UAE in 1971. Differences over the disputed territory appeared to have subsided after the onset of the Iran–Iraq War in 1980. Territorial disputes in the Persian Gulf This article deals with territorial disputes between states of in and around the Persian Gulf in Southwestern Asia. These states include