Caviar is correctly the roe of the sturgeon and is one of the greatest delicacies of food ingredientia. Other caviars do exist, but these are much cheaper and less fine in taste.
- Beluga Caviar: beluga is the topmost caviar and comes from the large Caspian sturgeon, which can reach 3 m (12 ft) in length and live up to 70 years;
- Osetr Caviar: osetr comes from the Danube sturgeon, a fish also found in the Caspian Sea.
- Sevruga Caviar: sevruga comes from the small, Caspian sturgeon.
- Botargo Caviar: botargo is a Sardinian speciality and is compressed and salted grey mullet roe.
- Danish Caviar: Danish caviar are the tiny black grains of lumpfish roe.
Dowell, P., Bailey, A. (1980) The Book of Ingredients, Dorling Kindersley. ISBN 0718119150.