在特种水产动物的人工育苗过程中，识别动物的雌雄个体并进行合理搭配，是实现生产大量幼苗的重要技术措施之一。下面介绍几种特种水产动物的雌、雄鉴别方法： １．青虾：①性成熟青虾，雄性个体比雌性个体大而壮；②性成熟的雄虾第２步足比雌虾的强大，通常为体长的１．５倍； In the process of artificial breeding of special aquatic animals, it is one of the important technical measures to realize the production of a large number of seedlings by identifying the male and female individuals and rationally matching the animals. The following describes several special aquatic animals, male and female identification methods: 1. Freshwater shrimp: (1) Sexually mature freshwater shrimp, male individuals are larger and stronger than female ones; (2) Sexually mature male shrimp are more powerful than female shrimp in step 2, usually 1.5 times body length;