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Phylogenetic relationships and taxonomy of three species of family Lethrinidae in the Red Sea, Egypt

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Last updated: 01 Jan 2025

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Abstract

Species of family Lethrinidae are of a great commercial importance in Egypt. Recent researches proved that we are far from having a full list of the family species diversity in Egypt. The purpose of this study was to clarify the phylogeny of commercial fish species of family Lethrinidae in the Egyptian Red Sea. Three commercial species of Lethrinidae (Lethrinus mahsena, Lethrinus nebulosus and Monotaxis grandoculis) were obtained from northern Red Sea proper. Samples were identified based on morphological characters. Identification was confirmed using DNA barcoding technique. DNA extraction was performed using Phenol-chloroform extraction method. In PCR, About 655 bp were amplified from the 5' region of the COI gene from mitochondrial DNA, then successful amplifications were sequenced. By Combining our sequence results with sequences of some species of Family Lethrinidae submitted to the GenBank, phylogenetic trees were constructed using p-distance Neighbor-Joining method. Results indicated that the use of DNA barcoding technique for emperor fish and big eye bream identification was successful, not only between different species of the family, but also within species, indicating the possible presence of cryptic species complex and the possible discovery of new genetic diversity. Of the three examined species from the Egyptian coasts; Monotaxis grandoculis showed the lowest genetic differences. Lethrinus mahsena showed the highest variations. 

DOI

10.21608/ejabf.2018.7710

Keywords

Lethrinidae, Phylogeny, DNA barcoding, Taxonomy, Red Sea

Authors

First Name

Abdelmeneam

Last Name

B. E.

MiddleName

B. E.

Affiliation

Marine Science Department, Faculty of Science, Port Said University, Port Said, Egypt

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First Name

Ahmed, M. I.

Last Name

Ahmed, M. I.

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Affiliation

Marine Science Department, Faculty of Science, Suez Canal University, Ismailia, Egypt

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Orcid

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First Name

Madkour F. F.

Last Name

Madkour F. F.

MiddleName

-

Affiliation

Marine Science Department, Faculty of Science, Suez Canal University, Ismailia, Egypt

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Orcid

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First Name

Hanafy M. H.

Last Name

Hanafy M. H.

MiddleName

-

Affiliation

Marine Science Department, Faculty of Science, Suez Canal University, Ismailia, Egypt

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Volume

22

Article Issue

1

Related Issue

1365

Issue Date

2018-01-01

Receive Date

2018-01-03

Publish Date

2018-03-01

Page Start

17

Page End

24

Print ISSN

1110-6131

Online ISSN

2536-9814

Article File

EJABF_Volume 22_Issue 1_Pages 17-24.pdf

PDF . 534.7kB

Link

https://ejabf.journals.ekb.eg/article_7710.html

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https://ejabf.journals.ekb.eg/service?article_code=7710

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Original Article

Type Code

103

Publication Type

Journal

Publication Title

Egyptian Journal of Aquatic Biology and Fisheries

Publication Link

https://ejabf.journals.ekb.eg/

MainTitle

Phylogenetic relationships and taxonomy of three species of family Lethrinidae in the Red Sea, Egypt

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Article

Created At

22 Jan 2023