The Kaluga sturgeon, scientifically known as Huso dauricus and colloquially as River Beluga, is a remarkable species that has captivated caviar enthusiasts worldwide. This sturgeon, which originates from the Amur River basin in Russia and China, is renowned for its size, longevity, and the exceptional quality of the caviar it produces.
Some characteristics of the Kaluga sturgeon include:The Kaluga sturgeon is one of the largest freshwater fish in the world, capable of reaching lengths of up to 18 feet (5.5 meters) and weighing several hundred pounds. Its immense size is a distinguishing feature.
Kaluga sturgeon are known for their remarkable longevity, with some individuals living for well over a century. This extended lifespan contributes to the production of caviar over many years.
Kaluga sturgeon are valued primarily for the caviar they produce. The caviar is characterized by large, lustrous pearls and a unique flavor profile that combines buttery richness with a slightly nutty essence.
Due to overfishing and habitat loss, wild Kaluga sturgeon populations have faced significant challenges. To protect the species and ensure a sustainable source of caviar, nearly all commercial trade of Kaluga sturgeon is now from farm-raised stocks.