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首页> 外文期刊>Journal of Applied Life Sciences International >A Morphological Study of Kroyeria minuta Pillai, 1968 (Copepoda: Eudactylinidae) Infecting the Milk Shark, Rhizoprionodon acutus Rüppell, 1937 off Nellore Coast, Bay of Bengal, India
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A Morphological Study of Kroyeria minuta Pillai, 1968 (Copepoda: Eudactylinidae) Infecting the Milk Shark, Rhizoprionodon acutus Rüppell, 1937 off Nellore Coast, Bay of Bengal, India

机译：1968年，对印度小roKroyeria minuta Pillai的形态进行了研究（Copepoda：Eudactylinidae），它感染了印度孟加拉湾内洛尔海岸附近的Rhizooprionodon acutusRüppell的乳鲨。

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摘要

Copepods of the genus Kroyeria Van Beneden, 1853 (Eudactylinidae) are ectoparasites of Elasmobranchs frequently infecting the gill filaments. Eudactylinid parasites were sampled from 152 milk sharks, Rhizoprionodon acutus collected from the Nellore coast, Bay of Bengal. With the application of scanning electron microscopy (SEM) and light microscopy we identified Kroyeria minuta Pillai, 1968, which is a new geographical record for the east coast of India. Fifteen parasites were acquired from the gill filaments of 9 infected fishes and its main morphological characteristics include minute structure, long dorsal stylets not extending beyond the hind border of the 4th thoracic segment, thoracic segments with interpodal bars, short 3-segmented abdomen, uniseriate egg sacs, 8-jointed antennule, robust antenna, slender maxilla with apically forked claw and two segmented maxillipede.
机译：Kroyeria Van Beneden属的pe足动物，1853年（Eudactylinidae）是Elasmobranchs的外寄生虫，经常感染ill丝。 Eudactylinid寄生虫是从152个从孟加拉湾Nellore海岸采集的milk鲨（Rhizooprionodon acutus）取样的。通过扫描电子显微镜（SEM）和光学显微镜的应用，我们确定了Kroyeria minuta Pillai，1968年，这是印度东海岸的新地理记录。从9条受感染鱼类的ill丝中获得了15种寄生虫，其主要形态特征包括微小的结构，长背针不延伸超过第四胸段的后边界，胸间段具有脚间的条状，短的三段腹部，未生卵囊，8关节瓣膜，坚固的天线，细长的上颌骨，具尖叉状爪和两个分段的上颌足。

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