Beluga (Huso huso): measuring 1.5m to 6m and weighing 100kg to 1000kg. The eggs can account for nearly 25% of the female’s weight. One of the largest fishes in the world the Beluga sturgeon is found primarily in the Caspian Sea. It can also be found in the Black Sea basin and occasionally in the Adriatic Sea.

Ossetra or Assetra (Acipenser gueldenstaedtii or A. persicus): measuring 1.5m to 2m and weighing 80kg to 150kg. Found primarily in the Black Sea, Adriatic Sea and the Caspian Sea. 

Sevruga (Acipenser stellatus): measuring 0.70m to 1.5m and weighing 30kg to 80kg, it has been nicknamed the “star sturgeon”. It is an anadromous fish, found primarily in the Black Sea, the Sea of Azov and the Caspian Sea.

Baeri (Acipenser baeri): grown in France, this fish measures 0.50m to 1m and weighs 7kg to 30kg. In the wild, in the great rivers of Siberia, it can measure up to 3 meters. Baeri Caviar is farmed in France, most notably Aquitaine, as well as several other countries.

Alverta® (Acipenser transmontanus) : measuring 0.7m to 1.30m and weighing 20 to 80 kg, the white sturgeon is farmed in America. In rivers of America it can measure up to 6 meters. Primarily anadromous, this fish lives well in fresh water. Alverta® is exclusive caviar farmed in Northern California. 

Please see our quick guide to caviar…