The yolk laid by goldfish Lanshou is round and orange-yellow and translucent. After the newly laid eggs of goldfish enter the water, the eggs begin to absorb water, and the diameter can reach1~1.2mm. After 6-8 days of incubation, organs, eyes and bones are formed.

After 6-7 days, the larvae begin to move violently and break out of the membrane. The newly hatched larvae are not fully developed, so they can't swim. With the mucus in their mouths, they stick to the fish nest and start to move after 2-3 days of development. At this time, you can use shrimp to open your mouth. The optimum incubation temperature is about 65438 08℃, and it is best to keep sufficient dissolved oxygen content.

The breeding of yellow croaker is a relatively difficult step in the feeding process. May-June is the breeding period of yellow croaker every year, and the breeding method is also very important. The important links of Pseudosciaena crocea breeding can be divided into parent selection, breeding process and fry cultivation.