Ossetra dwells another type of sturgeon, Siberian sturgeon ("Acipenser Baerii"), which is farmed all over the world because it can adapt to a wider range of habitats. It begins to produce caviar faster than "Acipenser gueldenstaedtii". Throughout the entire history of black caviar consumption, reference to Ossetra was made only to the fish that was caught first in Imperial Russia, then the USSR, and now in the Russian Federation. Today, Caspian Ossetra is facing extinction in its native habitat. Farming sturgeon is the only way to continue the production of high-quality caviar. Continuous drastic declines in natural sturgeon populations over the
USS Sterlet (SS-392) January 1953, when she was deployed to the Far East. On this cruise, she joined in hunter-killer exercises, visited Chichi Jima, Atami, Japan, and Buckner Bay, Okinawa; and conducted photographic reconnaissance on Marcus Island. She returned to San Diego, California, on 23 June and resumed West Coast operations. In August 1954, "Sterlet" exchanged crews and homeports with . On 13 September, she reported for duty to Submarine Squadron 1 at Pearl Harbor. For the remainder of her Navy career, "Sterlet" was home ported at Pearl Harbor. Between 1954 and 1968, she alternated operations in the Hawaiian Islands with nine deployments