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
Persian Gulf Online Organization Gulf stamps . Persian Gulf Online Organization The Persian Gulf Online Organization (or Persian Gulf Organization PGO, also known as Iranians for International Cooperation (IIC)'s Persian Gulf Task Force or PGTF) is a non-governmental entity consisting of a network of volunteers across the globe dedicated to promoting the name Persian Gulf against the alternative name "Arabian Gulf" in the Persian Gulf naming dispute. Its members live in several countries around the world. PGO's members' efforts are mostly undertaken via the internet. On their website, current news about the Persian Gulf, maps, articles, bibliographies about the Persian Gulf, conferences, and other