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Morphology, ecology, and molecular biology of a new species of giant larvacean in the eastern North Pacific: Bathochordaeus mcnutti sp nov.

机译:北太平洋东部一种新的巨型幼虫的形态,生态和分子生物学:Bathochordaeus mcnutti sp nov。

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摘要

Bathochordaeus mcnutti sp. nov. is described from the mesopelagic northeast Pacific Ocean (Monterey Bay, California, USA). Larvaceans in the genus Bathochordaeus are large, often abundant zooplankters found throughout much of the world ocean, but until recently it was unclear whether more than a single species of Bathochordaeus existed. Using remotely operated vehicles, we have made hundreds of in situ observations, compiled two decades of time-series data, and carefully collected enough specimens to determine that three species of Bathochordaeus occur in Monterey Bay: B. charon (Chun), B. stygius (Garstang), and B. mcnutti sp. nov. Bathochordaeus mcnutti is readily distinguished from its two congeners by the distinct blue outline visible around the periphery of its tail, and by other aspects of its morphology, ecology, and genetics. The abundance of larvaceans means they are ecologically important as particle processors. Species within the genus, Bathochordaeus, comprise the largest of described larvaceans.
机译:刺线虫mcnutti sp。十一月描述于中古东北太平洋(美国加利福尼亚州蒙特雷湾)。 och草属中的幼虫是大型的,经常在世界大部分海洋中发现丰富的浮游动物,但直到最近,尚不清楚是否存在单一的of草属。我们使用遥控车辆进行了数百次现场观察,收集了二十年的时间序列数据,并仔细收集了足够的标本以确定在蒙特雷湾出现了三类嗜线虫:B。charon(Chun),B。stygius (Garstang)和B. mcnutti sp。十一月麦氏弧菌通过其尾部周围可见的明显蓝色轮廓以及形态,生态学和遗传学的其他方面,很容易与它的两个同类动物区分开。大量的幼虫意味着它们在生态上作为颗粒处理剂很重要。 och虫属中的物种包括所描述的最大的幼虫。

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  • 来源
    《Marine biology》 |2017年第1期|20.1-20.15|共15页
  • 作者单位

    Monterey Bay Aquarium Res Inst, Moss Landing, CA 95039 USA;

    Monterey Bay Aquarium Res Inst, Moss Landing, CA 95039 USA;

    Monterey Bay Aquarium Res Inst, Moss Landing, CA 95039 USA;

    Monterey Bay Aquarium Res Inst, Moss Landing, CA 95039 USA;

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