Sturgeon Caviar

True caviar is the roe from Sturgeon  (Acipenseridae). The best types of Sturgeon black caviar are Russian Ossetra (also spelled Osetra or Oscietra), Kaluga, and Beluga Hybrid. Sturgeon caviar is an expensive luxury, but if you have had the privilege of having it, you know its worth is proven. Ikura, Paddlefish, Bowfin and others are less expensive and known simply as roes.