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) of certainty in identification forced the submarine to pass up several inviting targets. To further cloud the issue, Japanese ships probably attempted to disguise themselves as Soviets on several occasions to escape American submarines. "Sterlet", however, managed to emerge victorious over two enemy ships. In the late afternoon of 29 May, she encountered a large and a small freighter, escorted by three patrol frigates. At 16:41, the submarine tried for a good setup, but failed due to the convoy's rapid change in course. She lost sound contact around 1720 and, 40 minutes later surfaced for a daylight end-around. At 1822,