Sevruga caviar Sevruga caviar Sevruga caviar is one of the highest priced varieties of caviar, eclipsed in cost only by the Beluga and Ossetra varieties. It is harvested from a variety of critically endangered sturgeon fish species, that are known for their small, grey colored eggs. In eastern Europe, it is harvested from the Sevruga sturgeon ("Acipenser stellatus"), the Sterlet sturgeon (Acipenser ruthenus) and the Siberian sturgeon ("Acipenser baerii"), which are native to the Caspian Sea and the surrounding rivers. Sevruga is the smallest of the caviar-producing sturgeons. It can grow as far as 150 lbs. in weight and 7 feet in
HMS Sterlet (2S) reload torpedoes for a total of a dozen torpedoes. They were also armed with a 3-inch (76 mm) deck gun. Ordered on 2 March 1936, "Sterlett" was laid down on 14 July 1936 in HM Dockyard, Chatham and was launched on 22 September 1936. The boat was completed on 6 April 1938. At the onset of the Second World War, "Sterlet" was a member of the 2nd Submarine Flotilla. From 23–26 August 1939 the 2nd Submarine Flotilla transferred to its war bases at Dundee and Blyth. On 8 April 1940 "Sterlet" left for a patrol in the Skagerrak, off Norway