Sterlet They may require special food such as sterlet sticks, as they are unable to digest the vegetable proteins usually found in commercial fish foods. In Russia, it is held in high esteem on account of its excellent flesh, contributing also to the best kinds of caviar and isinglass. Sterlet The sterlet ("Acipenser ruthenus") is a relatively small species of sturgeon from Eurasia native to large rivers that flow into the Black Sea, Azov Sea, and Caspian Sea, as well as rivers in Siberia as far east as Yenisei. Populations migrating between fresh and salt water (anadromous) have been extirpated. Due
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