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作 者:胡灯进
出 处:《福建水产》2007年第4期31-34,16,共5页Journal of Fujian Fisheries
摘 要:对闽南近海条纹斑竹鲨的生殖生物学进行了初步研究,结果表明,闽南近海条纹斑竹鲨雌鱼和雄鱼的性成熟年龄均为3龄;雄鱼群体性成熟的高峰期是9~11月,雌鱼群体的性成熟高峰期是12月至翌年4月,交配高峰期是12月至翌年3月,生殖高峰期是5~6月;闽南近海条纹斑竹鲨的生殖周期为一年,一个生殖周期内,一尾雌鱼受精后从开始产受精卵到完全排完受精卵历时大约2个月,可以产约30个受精卵.The reproductive biology of Chiloscyllium plagiosum from Southen Coast of Fujian is studied.The main results are as follows: Age at first sexual maturity of Chiloscyllium plagiosum is 3GRs;From September to November every year,most of males reach sexual maturity,and from December to April of the coming year,most of females reach sexual maturity;The copulatory fastigium of Chiloscyllium plagiosum is from December to March of the coming year;The ovulation fastigium of Chiloscyllium plagiosum is from May to June every year;The reproductive cycle of Chiloscyllium plagiosum is one year;Every reproductive season,per female individual ovulates about 30 oosperms and lasts about 2 months.
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