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Molecular phylogeny reconstruction and biogeographic pattern of Rays (Elasmobranchii: Myliobatiformes) from Indian coastal waters

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Title Molecular phylogeny reconstruction and biogeographic pattern of Rays (Elasmobranchii: Myliobatiformes) from Indian coastal waters
 
Creator Kumar, Amit
Prakash, S
 
Subject Haplotype network
Indian coast
Marine rays
Phylogeny
Ray‘s taxonomy
 
Description 65-78
In the present study, the phylogenetic relationship among Myliobatiformes was reconstructed from the Indian waters based on the cytochrome c oxidase subunit I (COXI) gene. Overall, 307 sequences (18 collected from Mandapam fish landing centres, Tamil Nadu, and 289 from the previous literatures) from 34 species of Myliobatiformes were clustered under two major phylogenetic clades. The families Mobulidae, Rhinopteridae, Plesiobatidae, and Gymuridae were monophyletic, while the families Myliobatidae and Dasyatidae were polyphyletic. Further, the genera Aetomylaeus (Myliobatidae) and Pateobatis (Dasyatidae) show polyphyly by showing deep genetic divergence in the phylogenetic tree. Based on the phylogenetic tree analysis, Himanutra uarnak appears to be H. tutul in the Indian waters. Similarly, Neotrygon indica should be consistently used instead of N. kuhlii, as Indian specimens forms a distinct subclade within N. kuhlii species complex. In this study, it is also observed that several entries in the NCBI GenBank are erroneous; thus, an updation of data is recommended based on the present study. The biogeographic patterns revealed H. tutul, Maculabatis gerrardi, Brevitrygon imbricata, and Gymnura poecilura from the Indian coast form a separate haplotype compared to other geographical areas (Indo-west Pacific). In addition, G. poecilura and B. imbricata were genetically divergent between east and west coast populations of India, indicating a possibility of cryptic species.
 
Date 2024-03-04T06:00:24Z
2024-03-04T06:00:24Z
2024-02
 
Type Article
 
Identifier 2582-6727 (Online); 2582-6506 (Print)
http://nopr.niscpr.res.in/handle/123456789/63522
https://doi.org/10.56042/ijms.v52i02.6928
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJMS Vol.52(02) [February 2023]