生殖是一切动物生命周期中的一个重要环节,也是动物为了种族延续的一种本能。鱼类同样具有这种本能,每种鱼类发育到一定阶段和年龄之后,就要进行生殖活动。从养鱼生产的角度来说,了解一些鱼的生殖和发育知识,很有必要。解决养殖鱼苗的来源,必须懂得养殖鱼类的繁殖和鱼卵的孵化;从鱼苗培育成鱼种、由鱼种养成大鱼(商品鱼),在鱼类不同的生长发育阶段,机体在构造上有不同的特点,对外界环境条件有一定要求,就需要有相适应的饲养方法。达到生殖年龄的鱼,人们将它们中适宜养殖的种类用来繁殖鱼苗,这种鱼称为“亲 Reproduction is an important link in the life cycle of all animals and is an instinct for animals to continue their race. Fish also have this instinct, each fish development to a certain stage and age, it is necessary to carry out reproductive activities. From the perspective of fish production, it is necessary to understand some of the fish’s reproductive and developmental knowledge. In order to solve the problem of farmed fish fry, we must understand the breeding of breeding fish and hatching of fish eggs; cultivate fish species from fish fry and develop large fish (fish) from fish species. During the different stages of growth and development of fish, There are different characteristics, the external environmental conditions have certain requirements, you need to have appropriate feeding methods. Reproductive age of the fish, people will be suitable for breeding their species used to breed fry, the fish called "pro