尼罗非鱼 Tilapia nilotica L.是原产非洲的一种热带鱼类隶属于鲈形目 Perciformes鲡鱼科Cichlidae。虽然我国引进时间不长,但因其生活力强,繁殖快,生长迅速,肉质鲜美等,现已在我国广泛养殖。关于罗非鱼的生殖习性,国外已有一些报道,国内近年也开展了研究。本文旨在对尼罗罗非鱼的产卵习性、怀卵量,雌鱼含卵期间的摄食问题,以及水中溶氧量对亲鱼生殖的影响等进行了观察研究。 Tilapia nilotica L. is a native tropical African fish belonging to the Perciformes Cichlidae. Although the introduction of our country is not long, but because of its strong vitality, rapid propagation, rapid growth, delicious meat, etc., are now widely cultured in our country. About tilapia reproductive habits, there have been some reports abroad, China also conducted a study in recent years. The purpose of this paper is to observe the spawning habits of nile tilapia, the fecundity of females, the ingestion of females during oviposition and the effects of dissolved oxygen in water on the reproduction of broodstock.