The Beluga Whale or the White Whale (Delphinapterus leucas) inhabits the Arctic and sub-arctic seas. This marine mammal is also commonly referred to as the Beluga Whale.
The Beluga Sturgeon from the Caspian Sea is different and it is the source of the world's best caviar.
It is a delicacy that is eaten as a garnish or spread with toast and chopped hard boiled eggs.
The name "caviar" is Persian. Caviar is the roe or eggs of the Sturgeon fish. The roe is processed by adding salt, which acts as a preservative and adds to the taste.