Caviar is a sauce made from fish eggs, which is one of the "three great western delicacies". Almost all kinds of fish eggs can be made into caviar, but the most authentic one is sturgeon eggs. The best caviar is made from the black eggs of Caspian sturgeon.
/kloc-you can use eggs to make caviar in the middle of 0/2 years old, and the minimum age is 7 years old. For this reason, it is expensive.
There are many things called caviar, which is not caviar at all strictly speaking. It may be processed fish eggs, or it may be delicious, but it may come from round fin fish, salmon, white fish, cod, or a pregnant member of other fish families. In the United States, processed fish eggs can be sold as caviar as long as the names of the fish produced are printed on bottles and cans. In France, because the belly incident is valued here, the definition of caviar is as precise and strict as champagne: only the eggs of sturgeon are eligible for caviar.