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Gametogenesis and reporductive behavior in the echinoid Lytechinus variegatus

机译:类突触棘突Ly虫的配子发生和生殖行为

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Gametogenesis and behavior facilitating reproduction were studied in the echinoid Lytechinus variegatus(Lamark 1816), found of Key Biscayne, Florida, during 1993. Oocyte dia- Meters and qualitative staging of gonad sections indicated a sustained peak in reproductive state From April to June followed by a decrease in reproductive state by August and a shorter reproductive Peak by November. Ripe females censused during both reproductive seasons showed substantial Variation in occyte size suggesting that sporadic, small scale spawning events commonly occur in this Population.
机译:在1993年于佛罗里达州比斯坎湾发现的棘突类Ly蛇Lytechinus variegatus(Lamark 1816)中研究了配子发生和促进生殖的行为。卵母细胞直径和性腺切片的定性分期表明,生殖状态在4月至6月持续出现峰值,随后是到8月,生殖状态下降,到11月,生殖高峰期缩短。在两个生育季节进行的成熟雌性调查显示,卵石大小有很大差异,表明该种群通常发生零星的小规模产卵事件。

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