The so-called caviar is actually sturgeon eggs. Currently, there are more than 20 different species of sturgeons around the world. Among them, only the eggs produced by three species of sturgeons named Beluga, Ossietra and Sevruga from Russia and the waters north of South Iran can Producing the well-known caviar, for this reason, has led to its high price.

At present, most of the products in supermarkets like Wal-Mart or other supermarket chains are imported from Japan, and a small number are imported from Russia. The quality is good. The price is about 660 yuan/kg, and a small can costs 50-80 yuan.