Ossetra genitive case form "осетра" (osetra, 'of sturgeon') of the Russian word "осётр" (osyotr 'sturgeon') from the phrase "икра осетра" (ikra osetra, 'caviar of sturgeon'). At one time, the term "ossetra" simply referred to Russian sturgeon species harvested for this type of caviar. In Russian, there are different names for the species of sturgeon that live in various territories such as "Beluga" ("Huso huso"), Sevruga ("Acipenser stellatus") and Sterlet ("Acipenser ruthenus"). The name Ossetra corresponds to the species "Acipenser gueldenstaedtii", which is much smaller than Beluga sturgeon ("Huso huso"), and has a firmer texture. In the territory of the Russian Federation
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