1, the sturgeon juvenile period to the benthic aquatic oligochaetes, aquatic insects, small fish and shrimp and mollusks as the main food. Adult fish period to eat benthic animals or plant and animal dregs, shovel sturgeon is still feeding on plankton.

2, the sturgeon is one of the earliest existing origin of vertebrates. Sturgeon belongs to the class of bony fishes, spoke fins subclass, cartilaginous hard scales, sturgeon-shaped order. What we usually call sturgeon is the sturgeon order of fish. It is one of the most primitive groups of fish.

3, the world's existing 1 order, 2 families, 7 genera and 27 species, distributed only in the northern hemisphere, there are nine natural distribution areas, respectively, the east coast of the Pacific Ocean, the Great Lakes region of North America, the northwestern Atlantic Ocean, North America, the Mississippi River Basin and the Gulf of Mexico, the northeastern Atlantic Ocean, the Caspian Sea region, Siberia and the Arctic Ocean Basin, the Heilongjiang system and the Sea of Japan, the Yangtze River and the Pearl River system mouth. Due to changes in the natural environment, the construction of hydro-industrial facilities and overfishing and other reasons, in recent years, the world's wild sturgeon resources have decreased significantly, in a state of endangerment. There are eight species of sturgeon distributed in the natural waters of China.