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
HMS Sterlet (2S) under the command of Lt. Gerard Henry Stacpoole Haward. Four days later she unsuccessfully attacked a convoy of three merchant ships and a destroyer. The following day she was assigned a new patrol area and on 14 April torpedoed the German gunnery training ship "Brummer", leading to her sinking the following day. She was possibly sunk by the German anti submarine trawlers "UJ-125", "UJ-126" and "UJ-128" on 18 April. Alternatively, she may have struck a mine whilst returning to port. HMS Sterlet (2S) HMS "Sterlett" was a second-batch S-class submarine built during the 1930s for the Royal Navy. Completed in