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首页> 外文期刊>Marine ecology >Molecular evidence for Myripristis jacobus and Scarus taeniopterus new to Bay of Bengal: Sporadic appearance or preliminary colonization?
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Molecular evidence for Myripristis jacobus and Scarus taeniopterus new to Bay of Bengal: Sporadic appearance or preliminary colonization?

机译：Myripristis Zacobus和Scarus Taeniopterus的分子证据新于孟加拉湾：散发性外观或初步定植？

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摘要

Individual specimens of Myripristis jacobus Cuvier, 1829 and Scarus taeniopterus Lesson, 1829 were collected from Gopalpur-on-sea, Odisha coast, Bay of Bengal. Both the fish samples were assigned species level tags using the conventional taxonomic methods. The capture of both the fish species is of particular interest in that they were new to the Bay of Bengal. Molecular analysis using the mitochondrial cytochrome oxidase subunit I (COI) gene showed high confidence sequence similarity in species identification. The resultant phylogenetic relationships strongly support the monophyly of both the genus with congruent clustering of both the species according to their morphological identification. In addition, the time tree produced is in complete agreement with the recent studies. These studies conclusively prove that both the species might have been originated during the middle to the late Miocene period. Furthermore, both fish species are typical inhabitants of stigmatized coral reefs, confined to the reef regions. These fish species perhaps migrated to the Bengal Bay from the Andaman and Nicobar Islands reef regions because of climatic changes.
机译：Myripristis Zacobus Cuvier，1829年和疤痕Taeniopterus课程的单独标本从孟加拉湾奥迪沙海岸收集了1829课。使用传统的分类方法将鱼类样品分配了物种水平标签。捕获鱼类的捕获是特别令人口感兴趣的是，他们是孟加拉湾的新手。使用线粒体细胞色素氧化酶亚基I（COI）基因的分子分析显示出物种鉴定中的高置信序列相似性。由此产生的系统发育关系强烈支持根据其形态鉴定的同种异性聚类。此外，产生的时间树与最近的研究完全一致。这些研究得出了证明，两种物种都可能在中部到后期期间起源。此外，鱼种都是耻辱珊瑚礁的典型居民，限制在礁石地区。这些鱼类可能因气候变化而迁移到孟加拉和尼科尔群岛礁区的孟加拉湾。

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