Shaguang fish, which mostly grows in the Yellow Sea, is also known as Tulang fish, Shaguan fish, ground arowana fish, Tianlang fish and Guangyu fish. The scientific name "spear-tailed goby" belongs to Perciformes, goby and goby.

Goby is an annual warm coastal bottom fish with strong adaptability to temperature and salinity. Its meat is tender, delicious and growing rapidly. It is distributed along the coast of China, especially Lianyungang. Mao Wei

The compound goby is commonly known as "sand fish" in Lianyungang and "chubby fish" in Liaoning.

This kind of fish is wild. It can enter shrimp ponds with seawater, or upstream, into rivers, and finally into freshwater ponds.

Mariculture is easy, you can enter it when changing water, or you can catch it with a net in a river ditch.

Freshwater culture needs desalination before it is put into the pond.

In the past, raising shrimp was the most important thing. I was afraid that sand fish would eat shrimp, and sand fish was cheap, so I let outsiders fish casually. Now that the price of sand fish has gone up, shrimp is easy to get sick. You can eat sick shrimp and sand fish together to prevent the spread of shrimp disease. Breeding sand fish kills two birds with one stone.