首页> 外文期刊>International Journal of Zoology >Comparative Reproduction Aspects of the Deep-water Shrimps Aristaeomorpha foliacea and Aristeus antennatus (Decapoda, Aristeidae) in the Greek Ionian Sea (Eastern Mediterranean)
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Comparative Reproduction Aspects of the Deep-water Shrimps Aristaeomorpha foliacea and Aristeus antennatus (Decapoda, Aristeidae) in the Greek Ionian Sea (Eastern Mediterranean)

机译:在希腊爱奥尼亚海(地中海东部)深水虾的倒钩虾(Aristaeomorpha foliacea)和触角触角(De足纲,A足纲)的比较繁殖方面

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摘要

In the eastern Ionian Sea, the deep-water shrimps Aristaeomorpha foliacea and Aristeus antennatus constitute a virgin fishing resource, since their maximum abundance depth exceeds commercial exploitation depths. The two sympatric species share a number of common reproductive features, such as summer reproduction. A slight temporal shift in mating activity, ovarian maturation, and spawning period was observed between species. The most notable difference was the more pronounced seasonality in reproductive activity of Aristeus antennatus compared to that of A. foliacea as evidenced by the frequency of inseminated females and functionally mature males, as well as by the shorter ovarian maturation period. Nevertheless, regarding the whole life span, both sexes of Aristeus antennatus exhibit a more extended reproductive activity in comparison to A. foliacea. No notable differentiation of both species existed in comparison to other Mediterranean regions.
机译:在爱奥尼亚海东部,深水虾Aristaeomorpha foliacea和Aristeus触角藻构成原始的捕捞资源,因为它们的最大丰度超过了商业开发的深度。这两种同胞物种具有许多共同的生殖特征,例如夏季繁殖。观察到物种之间的交配活动,卵巢成熟和产卵期略有时间变化。最显着的差异是,与人工授精相比,触角拟南芥的生殖活动具有更明显的季节性,这可通过授精雌性和功能成熟雄性的频率以及较短的卵巢成熟期来证明。然而,就整个寿命而言,触角触角的两性都比叶面线虫具有更广泛的生殖活性。与其他地中海地区相比,两种物种均没有明显的分化。

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