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) 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