【摘要】 内刺盘管虫的性腺发育可以分为增殖期、生长期、成熟排放期、衰退期、休止期５个阶段。内刺盘管虫１年１个生殖周期，７至８月为其繁殖盛期。水温是影响生殖周期的主要因子更多还原

【Abstract】 The gonad development of Hydroides ezoensis could be divided into five stages:proliferating growing maturingspawning falling and resting stages.One reproductive cycle erery year wasrecorded.Reproductive is from July to August pcriod and defermined mainly by Swrounding temprature.更多还原