Green shrimps lay eggs about three times in their lives. The green shrimps hatched in June will reach 3 cm in length in August to September, which is when they reach sexual maturity for the first time. After laying eggs once, they overwinter and become sexually mature for the second time in May or June of the following year. After laying eggs, after the fertilized eggs hatch, they become sexually mature again, lay a third egg, and then die one after another. Green shrimps in southern my country lay eggs 4 times in a lifetime.

The number of eggs held by green shrimps is not very large. For overwintering shrimps with a body length of 4 to 6 cm, the number of eggs can be as low as about 600, and as high as about 5,000, generally between 1,000 and 2,500. between. The current-year shrimps hatched in summer lay eggs from August to September, with the number of eggs ranging from 200 to 750. The smallest egg-bearing shrimp is 2.4 cm long, and the number of eggs it holds is about 190. The relative egg number of green shrimp is 400 to 600 eggs per gram of body weight.