Ossetra past 30 years plus a high market demand for caviar have led the way for sturgeon farming, mainly for the production of caviar. Russia, Iran, members of the European Union, China and the USA were among the first; however, for the very same reasons countries outside the natural range of sturgeons also became involved (e.g. Uruguay, Arabian countries, Israel, and more recently Vietnam). Israel is a major producer of Russian Ossetra Caviar ("Acipenser gueldenstaedtii"). Branded as "Karat Caviar" recent exports are now available in the United States in order to meet the demand for caviar since there has been no
USS Sterlet (SS-392) back to the western Pacific and after briefly stopping at Pearl Harbor, Guam, and Subic Bay, arrived in Tsingtao, China, on 20 April. She operated out of Tsingtao until the end of May, participating in the Navy's show of force along the northern China coast. She spent the first ten days of June in Shanghai and then got underway for Pearl. "Sterlet" reached Oahu on 22 June and conducted operations in the Hawaiian Islands for the next 16 months. She headed west again on 15 November 1947 and reached Brisbane, Australia, on 1 December. Five days later, the submarine shaped