【摘要】 经观察,发现本种沙蚕有异沙蚕型,并有明显的“群浮”和“婚舞”现象。异沙蚕出现的高峰期为4—5月和10—11月。沙蚕能当年成熟。测量了异沙蚕体的大小,重量和怀卵量,用统计学方法分析了它们之间的相关关系。更多还原

【Abstract】 This paper presents the ecological observations of Perinereis camiguinoi-des Augener.A continuous culture of this species in experimental pools, has succeeded to the fouth generation.Heteronereis is found in this nereid worm. Swarm and nuptial dance phenomena are described in details.The peak periods of heteronereis occurrences are from April to May and from October to November.The size and weight of heteronereis, as well as its ovigerous number have been measured and analysed for their statistical correlations.更多还原