摘要
寡齿新银鱼的繁殖期为春夏季的３月初至５月末，产卵盛期为３月下旬和４月下旬．性成熟年龄为１年，属分批产卵类型．终生以浮游动物为食．生长１年平均全长为４４．２ｍｍ，平均体重为０．２５２ｇ．产卵后不久便死亡，寿命只有１年．
The study shows that the reproduction period of Neosalanx oligodontis is from earlyMarch to late May. Its spawning periods are the last ten days of March and April. Theage of sexual maturity is one year, belonging to the multiple spawning type. The fishfeeds zooplanktons during its whole life. After one year, its average total length is 44. 2mm, and average body weight is 0. 252g. The parents die off soon after their last spawning, and their life period is only one year.
出处
《应用生态学报》
CAS
CSCD
1995年第1期71-75,共5页
Chinese Journal of Applied Ecology
基金
湖北省自然科学基金
关键词
寡齿新银鱼
浮游动物
食性
繁殖期
生物学
Neosalanx oligodontis, Zooplankton, Feeding habit, Reproduction period.
