First record of the dotted grouper Epinephelus epistictus (Temminck &amp;amp; Schlegel, 1843) (Perciformes, Serranidae) in Malaysia

Groupers of the family Epinephelidae constitute a diverse and commercially valuable group of reef fishes globally. They comprise an assemblage of carnivorous marine fishes, comprising more than 177 species across 16 genera. The epinephelid genus Epinephelus, which consists of over 90 species, is found worldwide in the tropics and subtropics. To date, the ichthyofauna of Malaysia has documented a total of 43 epinephelid species. Apart from these, Epinephelus flavocaeruleus (Lacepède, 1802), commonly known as the blue-and-yellow grouper, is rarely reported in the Indo-Pacific Ocean. The present study extends the documented distribution range of E. flavocaeruleus eastwards from the Andaman Sea to the Borneo waters of Sabah, Malaysia. Five specimens of the blue-and-yellow grouper were collected from a local fish market. Species identification was confirmed by the color patterns and DNA barcoding of 630 base pairs of the cytochrome C oxidase I gene for all E. flavocaeruleus specimens, Epinephelus cyanopodus (Richardson, 1846), and 10 closely related Epinephelus species. The interspecies genetic distance ranged from 0.002–0.168. Results from the Templeton, Crandall, and Sing (TCS) haplotype network analysis and maximum likelihood phylogeny based on the COI marker indicate a close genetic relationship between E. flavocaeruleus and E. cyanopodus. However, we refrain from proposing any taxonomic revisions given that more in-depth studies using multiple molecular markers or phylogenomic analysis on a larger sample size are necessary to confirm the taxonomic status of both species. This study significantly contributes to a better understanding of the taxonomy, phylogenetic relationship, and genetic diversity of E. flavocaeruleus.

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DISTRIBUTION OF EPINEPHELUS EPISTICTUS (Temminck and Schlegel, 1843) (Perciformes: Epinephelidae) IN THE COASTAL AREAS OF NORTH CENTRAL, VIETNAM

Ngoc Thao,

Tran Ngoc Truc,

Ngoc Thao Anh

et al. 2024

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The article provides data on the morphological characteristics and the distribution of the dotted grouper Epinephelus epistictus (Temminck & Schlegel, 1843) in the coastal area of Thanh Hoa province, North Central Vietnam. Five specimens were collected from Minh Loc fishing port during a fish fauna survey on 06 August 2023. Combine with data from previous studies, this paper provides information of the distribution of E. epistictus in Vietnam in a northward expansion direction, thereby demonstrating the widespread distribution of this species. Species identification was confirmed by morphological characteristics and colour patterns on the body.

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First record of the dotted grouper Epinephelus epistictus (Temminck & Schlegel, 1843) (Perciformes, Serranidae) in Malaysia

Cited by 3 publications

References 13 publications

DNA Barcoding of Commercially Important Trevallies, Carangoides spp. (Carangiformes: Carangidae): A Baseline Report of Species from Malaysia

DNA Barcoding of Commercially Important Trevallies, Carangoides spp. (Carangiformes: Carangidae): A Baseline Report of Species from Malaysia

First record of the blue-and-yellow grouper Epinephelus flavocaeruleus (Lacepède 1802) (Perciformes: Epinephelidae) from the Borneo waters, Malaysia

DISTRIBUTION OF EPINEPHELUS EPISTICTUS (Temminck and Schlegel, 1843) (Perciformes: Epinephelidae) IN THE COASTAL AREAS OF NORTH CENTRAL, VIETNAM

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