Relationship between Fish Length and otolith Shape of Sargocentron spiniferum (Forsskål, 1775 from Shalatin, Red Sea, Egypt

1
Yassein A.A. Osman
Yassein A.A. Osman
2
Samia M. El-Mahdy
Samia M. El-Mahdy
3
Ashraf S. Mohammad
Ashraf S. Mohammad
4
Kélig Mahé
Kélig Mahé

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Relationship between Fish Length and otolith Shape of Sargocentron spiniferum (Forsskål, 1775  from Shalatin, Red Sea, Egypt Banner
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Otolith morphology analysis is one of the main tools used for fish or stock identification. Moreover, otolith shape can also be used in the fish feeding studies (stomach content) for the identification of prey fish and their size according to the relationship between fish and otolith sizes. In the present study, the relationship between fish length and otolith morphological dimensions was investigated for Sargocentron spiniferum (Forsskål, 1775) (family: Holocentridae). The samples (185 fish and 370 sagittal otoliths) were collected from the coast of the Red Sea, Egypt. The statistical analysis was undertaken in two steps using generalized linear models for the relationship between body length and weight and otolith morphology descriptors (length, width, area, and perimeter) and shape indices (aspect ratio, compactness, form factor, rectangularity, roundness, ellipticity, squareness, sulcus, and ostium). From the relationships between total length (TL) of fish and fourteen morphology descriptors and shape indices, three are significantly correlated with TL (otolith length, cauda, and squareness) where the side effect were p

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No external funding was declared for this work.

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The authors declare no conflict of interest.

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No ethics committee approval was required for this article type.

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Yassein A.A. Osman. 2026. \u201cRelationship between Fish Length and otolith Shape of Sargocentron spiniferum (Forsskål, 1775 from Shalatin, Red Sea, Egypt\u201d. Global Journal of Science Frontier Research - E: Marine Science GJSFR-E Volume 23 (GJSFR Volume 23 Issue E1): .

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GJSFR Volume 23 Issue E1
Pg. 21- 27
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Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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July 25, 2023

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Otolith morphology analysis is one of the main tools used for fish or stock identification. Moreover, otolith shape can also be used in the fish feeding studies (stomach content) for the identification of prey fish and their size according to the relationship between fish and otolith sizes. In the present study, the relationship between fish length and otolith morphological dimensions was investigated for Sargocentron spiniferum (Forsskål, 1775) (family: Holocentridae). The samples (185 fish and 370 sagittal otoliths) were collected from the coast of the Red Sea, Egypt. The statistical analysis was undertaken in two steps using generalized linear models for the relationship between body length and weight and otolith morphology descriptors (length, width, area, and perimeter) and shape indices (aspect ratio, compactness, form factor, rectangularity, roundness, ellipticity, squareness, sulcus, and ostium). From the relationships between total length (TL) of fish and fourteen morphology descriptors and shape indices, three are significantly correlated with TL (otolith length, cauda, and squareness) where the side effect were p

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Relationship between Fish Length and otolith Shape of Sargocentron spiniferum (Forsskål, 1775 from Shalatin, Red Sea, Egypt

Yassein A.A. Osman
Yassein A.A. Osman
Samia M. El-Mahdy
Samia M. El-Mahdy
Ashraf S. Mohammad
Ashraf S. Mohammad
Kélig Mahé
Kélig Mahé

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