Heilanshou generally spawns at 4-10 o'clock. Adult Heilanshou will spawn every 10-15 days. If Heilanshou lays fish eggs on extractable items, this is Well handled. Prepare the hatching tank, directly take out the items with fish eggs and raw water, and put them into the hatching tank.

If Hei Lanshou lays eggs on the inner wall of the fish tank , it can only be quickly isolated, and the raw water in the isolation area can be replaced, a small oxygen pump can be prepared, the water temperature can be maintained at 16~18 ℃, and the juvenile Heilan Shou can be seen in about a week.