Our Siberian Osetra comes from the species of sturgeon known as the Acipencer Baerii. The pearls are medium-sized, dark, and creamy with a delectable crisp, nutty taste. Our Siberian Osetra is farmed & raised in clear source waters of Poland. Keep your Siberian Osetra in the refrigerator to preserve its freshness for up to 8 weeks. After opening, this caviar should be consumed within four days.