1) Caviar 
Sevruga is one of the highest priced varieties of caviar, eclipsed in cost only by the Beluga and Ossetra varieties. It is harvested from the Sevruga sturgeon (Acipenser stellatus) native to the Caspian Sea, and may be distinguished from its more expensive cousins by the size of the eggs, which are generally smaller. Sevruga is the smallest of the...