The species of sturgeon known as Sevruga (7 letters) is a type of sturgeon found in the Caspian and Black Sea regions. It is one of the smallest species of sturgeon, reaching a maximum length of about 4 feet. Sevruga is highly prized for its caviar, which is considered to be among the finest in the world. The species is currently listed as vulnerable by the International Union for Conservation of Nature due to overfishing and habitat destruction.