Sevruga caviar Sevruga caviar Sevruga caviar is one of the highest priced varieties of caviar, eclipsed in cost only by the Beluga and Ossetra varieties. It is harvested from a variety of critically endangered sturgeon fish species, that are known for their small, grey colored eggs. In eastern Europe, it is harvested from the Sevruga sturgeon ("Acipenser stellatus"), the Sterlet sturgeon (Acipenser ruthenus) and the Siberian sturgeon ("Acipenser baerii"), which are native to the Caspian Sea and the surrounding rivers. Sevruga is the smallest of the caviar-producing sturgeons. It can grow as far as 150 lbs. in weight and 7 feet in
USS Sterlet (SS-392) and rapidly closed on "Sterlet". This pursuit forced "Sterlet" to retire; and, after more than an hour of running from the frigate and undergoing his bombardment, she managed to open range by firing four torpedoes "down the throat" at him. This tactic did not allow her to escape, and the chase continued until the frigate turned broadside to fire both his forward and after guns in salvo. That curious maneuver allowed "Sterlet" to open range to at which point, the enemy's radar wavered. "Sterlet" shut her radar down, came hard to starboard and opened out. A minute before midnight, "Sterlet"