Sevruga caviar as saltier, but it can vary depending on the origin of the fish. The caviar is packaged and sold in red tins. A rare type of caviar known as Imperial Caviar, from the Sterlet sturgeon (Acipenser ruthenus), a now nearly extinct species of sturgeon from the Caspian Sea, is sometimes incorrectly labeled as Sevruga, as well as the even rarer Golden Caviar from the albino Sterlet, the caviar being yellow in color. “Pressed sevruga caviar” can also be found, made of a blend of Osetra and Sevruga caviar that has been heated in a saline solution. Sevruga caviar Sevruga caviar
USS Sterlet (SS-392) patrol was given over to lifeguard duty for the crews of carrier planes and B-29 Superfortresses attacking Japan. "Sterlet" rescued a New Zealander and a Briton, one was near the Kii Channel between Shikoku and Honshu. When Japanese capitulation brought an end to the patrol, "Sterlet" returned to Midway on 23 August. On 6 September, she sailed for the United States entering reaching San Diego Naval Base ten days later. "Sterlet" remained on the West Coast until the end of February 1946, at San Diego until 13 November and at San Francisco, California, thereafter. On 26 February 1946, she started