What Kind of Fish Roe is Used to Make Caviar?

Everyone knows that caviar is made from fish roe, but can all fish roe be made into caviar? Obviously not, otherwise caviar wouldn't be so expensive, let alone have such a high price. So what kind o

The Art of Eating Caviar: Authentic Ways and Pairings

Caviar is regarded as one of the "world's three delicacies" by Westerners due to its rich nutritional value and scarce production. It is a luxurious delicacy. But how should it be eaten? What is the c