The Russian sturgeon can grow to 210 cm (83 in) but a more normal size is 110 to 140 cm (43 to 55 in). It has a … See more

The Russian sturgeon is native to the Black Sea, the Sea of Azov and the Caspian Sea. It is an anadromous fish and moves into the river systems that drain into these seas in order to make its way to spawning areas upstream. I… See more

The Russian sturgeon feeds on crustaceans, molluscs and small fishes such as gobies, anchovies and sprats. It is solitary when in the sea but becomes gregarious as it moves up-river in April, May and Ju… See more

In a paper published in July 2020, eggs from three Russian sturgeons were crossbred with American paddlefish using sperm from four male paddlefishes, resulting in successful hybrids called sturddlefish. … See more

• Beluga (which lives in the same area and is famous for its roe – caviar) See more

• Froese, Rainer; Pauly, Daniel (eds.) (2011). "Acipenser gueldenstaedtii" in FishBase. June 2011 version. See more