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
USS Sterlet (SS-392) Florida, on 1 May to join the Pacific Fleet. The submarine reached Pearl Harbor on 13 June, and she immediately plunged into another round of training exercises to prepare for her first war patrol. On 4 July 1944, she put to sea to prey on Japanese shipping. The patrol lasted 53 days; and "Sterlet" spent 34 of them in her assigned patrol area, the Bonin Islands. By the time she put into Midway Island for refit on 26 August, the submarine was a battle-proven veteran, claiming to have sunk four enemy ships. She even brought in a prisoner — a