Bastard sturgeon (Acipenser nudiventris)

General data
- Main name: Bastard sturgeon
- Local names: Fringebarbel sturgeon, Ship sturgeon, Spiny sturgeon, Thorn sturgeon
- Climates: Temperate, Continental
- Habitat: Anadromous
- Native: Europe, Asia
- Distribution: Danube, Black sea, Caspian Sea, Volga, Ural, Sea of Azov, View all... Lake Balkhash, Amu Darya
Classification
- Genus: Acipenser - Greater sturgeons
- Family: Acipenseridae - Sturgeons
- Order: Acipenseriformes - Sturgeons and Paddlefish
- Class: Chondrostei - Sturgeons
- Superclass: Osteichthyes - Bony fishes