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Insights into mitochondrial phylogeny and molecular systematics of mullids (Teleostei: Perciformes: Mullidae) from the Persian Gulf and the Oman Sea

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Abstract

The family Mullidae represents a hyoid barbel characteristic fish group of the tropical and temperate waters of all major oceans’ ichthyofauna. Despite diverse studies on their morphological characteristics, comparably few molecular investigations have been carried out resulting in several unresolved taxonomic puzzles. This study aimed to assess mitochondrial phylogeny and systematics of several mullid species of the western Indo-Pacific region based on partial cytochrome c oxidase subunit 1 (COI) and cytochrome b (Cytb) gene sequences. Phylogenetic analyses show a group of six nominal genera, in two main clades forming a monophyletic lineage. The main subclades within these clades correspond to genera as defined by morphological studies. One clade includes the species of the genus Upeneichthys, and the second clade includes Mullus, Upeneus, Mulloidichthys, Pseudupeneus, and Parupeneus. The most diverse group, Upeneus, consists of two subclades: (i) U. doriae, U. moluccensis, U. subvittatus, U. supravittatus, and U. vittatus and (ii) U. asymmetricus, U. australiae, U. floros, U. heterospinus, U. japonicus, U. lombok, U. margarethae, U. pori, U. spottocaudalis, U. sundaicus, and U. tragula. The range of average K2P genetic distance for COI varied from 0.1% between U. pori and U. guttatus to 25.7% between Ps. grandisquamis and U. floros. The cladogenetic pattern retrieved here almost corresponds to the mullid grouping as defined by osteological studies.

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Acknowledgements

We would like to thank R. Sadeghi and L. Purrafee for helping with fish collection and two respected reviewers for their valuable and constructive comments.

Funding

This study was funded by Shiraz University.

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Correspondence to Hamid Reza Esmaeili.

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Conflict of interest

The authors declare no conflict of interest.

Ethics approval

All applicable international, national, and/or institutional guidelines for animal testing and use of animals were followed by the authors. The research work was approved by the Ethics Committee of Biology Department, Shiraz University (SU- 9531462).

Sampling and field studies

All necessary permits for sampling and observational field studies have been obtained by the authors from the competent authorities.

Data availability

The dataset (sequences) generated during and/or analyzed during the current study will be available in the GenBank repository. Specimens used in the present study are deposited in the Zoological Museum of Shiraz University, Collection of Biology Department, ZM-CBSU.

Author contribution

SE and HRE conceived and designed research. SE conducted experiments. SE, HRE, FO, MS, and SMA collected the specimens. SE, HRE, and AG contributed new reagents or analytical tools and data analysis. SE, HRE, and AG wrote the manuscript. All authors read, discussed, and approved the manuscript.

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Communicated by R. Thiel

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Echreshavi, S., Esmaeili, H.R., Gholamhosseini, A. et al. Insights into mitochondrial phylogeny and molecular systematics of mullids (Teleostei: Perciformes: Mullidae) from the Persian Gulf and the Oman Sea. Mar. Biodivers. 53, 37 (2023). https://doi.org/10.1007/s12526-023-01340-5

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  • DOI: https://doi.org/10.1007/s12526-023-01340-5

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