Morphological analysis of Caligus elongatus von Nordmann, 1832 (Copepoda: Caligidae) from the rosy goatfish Parupeneus rubescens (Mullidae).,Microscopy Research and Technique

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Morphological analysis of Caligus elongatus von Nordmann, 1832 (Copepoda: Caligidae) from the rosy goatfish Parupeneus rubescens (Mullidae).
Microscopy Research and Technique ( IF 2.0 ) Pub Date : 2020-07-12 , DOI: 10.1002/jemt.23528
Rewaida Abdel-Gaber _{1,

2} , Saleh Al-Quraishy ₁ , Mohamed A Dkhil _{1,

3} , Maha Elamin ₁ , Masheil Alghamdi ₁

Affiliation

Copepods are a common component of ectoparasite assemblages of all kinds of fish, from all environments and ecosystems. In the present investigation, a total of 80 specimens of the rosy goatfish Parupeneus rubescens were randomly collected from the Arabian Gulf, and then transported to the laboratory in order to be dissected and examined for the presence of copepodid infections. Copepod parasites were recovered from the gills of the infected fish. One copepod species within the Caligidae family was identified and labeled as Caligus elongates von Nordmann, 1832. This copepod species examined using light and scanning electron microscopy to observe the most characteristic generic features. Morphological and morphometric characterizations revealed differences between the identified species and other related copepodid species. Therefore, the present study showed that the rosy goatfish is a new host for this Caligus species and added a new locality record for this infection.

中文翻译：

Caligus elongatus von Nordmann，1832（桡足类：Caligidae）来自玫瑰色山羊鱼 Parupeneus rubescens（Mullidae）的形态学分析。

桡足类是来自所有环境和生态系统的各种鱼类体外寄生虫组合的常见组成部分。在本次调查中，从阿拉伯湾随机采集了总共80个玫瑰色山羊鱼Parupeneus rubescens的标本，然后运送到实验室进行解剖和检查是否存在桡足类感染。从受感染鱼的鳃中回收了桡足类寄生虫。Caligidae 家族中的一种桡足类物种被鉴定并标记为Caligus 细长von Nordmann，1832 年。使用光学和扫描电子显微镜检查这种桡足类物种，以观察其最典型的一般特征。形态学和形态学特征揭示了已识别物种与其他相关桡足类物种之间的差异。因此，本研究表明，玫瑰色山羊鱼是这种Caligus物种的新宿主，并为这种感染增加了新的位置记录。

更新日期：2020-07-12

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