Starry sturgeon feeds on fish, worms, crustaceans and mollusks. It lies on the bottom during the day and feeds mostly at night. This fish is anadromous and moves upriver into shallow waters to spawn. The starry sturgeon is an important commercial species of fish. It is one of the three most important species for caviar, see "Sevruga caviar", along with the Beluga sturgeon and the Ossetra sturgeon. Its flesh is considered an expensive delicacy in the Caspian region. It is used to make kabaabs, or is consumed pan fried, broiled, or smoked. There have been several attempts in Russia, Iran, Italy, and
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