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236285

Some morphometric and meristic parameters of the Moroccan Atlantic anchovy Engraulis encrasicolus (Linnaeus, 1758)

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Last updated: 01 Jan 2025

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Abstract

This study was conducted to investigate some morphometric and meristic parameters of anchovies Engraulis encrasicolus caught in the Moroccan Atlantic coast. The fish samples were monthly collected from commercial catches between January to May 2017. 344 individuals were collected from the principal ports of the Moroccan Atlantic Ocean, with significant climatic changes and different geographical situations. The ports under study are: Larach, Assilah, Casablanca, Agadir, and Laâyoune. To study the possibility of local disparity, two nearby ports were chosen, Larach and Assilah, with a distance of less than 50 km. An abundance of females was observed for all samples, with a maximum total length of 144 mm. Twenty-two morphometric characters were measured, and four meristic characters were counted for every individual. The correlation test results showed a strong correlation between the total length and the other morphological characters, except those related to the head of the individuals. A significant difference was found for all variables concerning the three factors: age, sex and port. After studying the variation of individuals with the port factor, all the samples overlap, so we couldn't distinguish a different group along the two axes. These results are consistent with the meristic study results. Comparing our results with those of other researchers, it appears that the morphological variation found is mainly related to environmental changes.

DOI

10.21608/ejabf.2022.236285

Keywords

Engraulis encrasicolus, meristic, Morphometric Moroccan coast, correlation

Authors

First Name

Jihane

Last Name

EL IDRISSI EL AWAD

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Orcid

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First Name

Hassan

Last Name

EL OUIZGANI

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Email

h.elouizgani@uiz.ac.ma

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Volume

26

Article Issue

3

Related Issue

33860

Issue Date

2022-05-01

Receive Date

2022-05-11

Publish Date

2022-05-01

Page Start

59

Page End

73

Print ISSN

1110-6131

Online ISSN

2536-9814

Link

https://ejabf.journals.ekb.eg/article_236285.html

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https://ejabf.journals.ekb.eg/service?article_code=236285

Order

4

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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

Some morphometric and meristic parameters of the Moroccan Atlantic anchovy Engraulis encrasicolus (Linnaeus, 1758)

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Article

Created At

22 Jan 2023