Length-weight relationships and condition factor of nine fish species from the Benghazi coast, Libya

Eman Salem Alfergani

doi:10.3153/AR26020

EN

Length-weight relationships and condition factor of nine fish species from the Benghazi coast, Libya

Abstract

This study aimed to investigate the length-weight relationship and condition factor of nine species collected from the coast of Benghazi, Libya. A total of 758 samples were collected from November 2024 to September 2025. Total length ranged from 15.01 ±0.435 cm (total weight: 50.11 ±4.646 g) in Parupeneus forsskali to 57.58 ±0.817 cm (total weight: 198.87 ±9.585 g) in Tylosurus imperialis. The slope parameter (b) values ranged from 2.68 (95% CI: 2.40-2.95) in Pseudocaranx dentex to 3.69 (95% CI: 3.22-4.17) in Hemiramphus far. Isometric growth patterns were observed in Symphodus tinca (b: 3.01), Merluccius merluccius (b: 2.95), Tylosurus imperialis (b: 2.73), and Trachinotus ovatus (b: 3.21). Positive allometric growth was found in Serranus scriba (b: 3.07), Parupeneus forsskali (b: 3.48), Hemiramphus far (b: 3.69), and Synodus synodus (b: 3.41), while Pseudocaranx dentex (b: 2.68) exhibited negative allometric growth. The relative (Kn) and Fulton’s (Kf) condition factors showed species-specific variation in body condition among the examined fishes. Mean Kn values ranged from 0.925 ±0.017 (Symphodus tinca) to 1.114 ±0.013 (Synodus synodus). In contrast, mean Kf values varied from 0.102 ±0.002 (Tylosurus imperialis) to 1.383 ±0.007 (Serranus scriba), reflecting differences in nutritional status, morphology, and environmental adaptation among species. This study provides basic biological data necessary for the management and conservation of species in Libyan marine ecosystems.

Keywords

Ethical Statement

Approval was not required for this study as it involved voluntary participation and did not include experiments on humans or animals. Permission to conduct the study was obtained from the local government unit. Informed consent was secured from all participants, and confidentiality was maintained throughout the research.

Thanks

The author would like to thank the local fishermen of Benghazi for their assistance in collecting fish samples.

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Details

Primary Language

English

Subjects

Fish Biology

Journal Section

Short Communication

Authors

Eman Salem Alfergani ^*
0000-0002-5602-1535
Libya

Early Pub Date

June 28, 2026

Publication Date

July 1, 2026

Submission Date

March 17, 2026

Acceptance Date

April 24, 2026

Published in Issue

Year 2026 Volume: 9 Number: 3

DOI

https://doi.org/10.3153/AR26020

IZ

https://izlik.org/JA25AN34CD

Cite

RIS / Bibtex

APA

Alfergani, E. S. (2026). Length-weight relationships and condition factor of nine fish species from the Benghazi coast, Libya. Aquatic Research, 9(3), 238-248. https://doi.org/10.3153/AR26020

AMA

1.Alfergani ES. Length-weight relationships and condition factor of nine fish species from the Benghazi coast, Libya. Aquat Res. 2026;9(3):238-248. doi:10.3153/AR26020

Chicago

Alfergani, Eman Salem. 2026. “Length-Weight Relationships and Condition Factor of Nine Fish Species from the Benghazi Coast, Libya”. Aquatic Research 9 (3): 238-48. https://doi.org/10.3153/AR26020.

EndNote

Alfergani ES (July 1, 2026) Length-weight relationships and condition factor of nine fish species from the Benghazi coast, Libya. Aquatic Research 9 3 238–248.

IEEE

[1]E. S. Alfergani, “Length-weight relationships and condition factor of nine fish species from the Benghazi coast, Libya”, Aquat Res, vol. 9, no. 3, pp. 238–248, July 2026, doi: 10.3153/AR26020.

ISNAD

Alfergani, Eman Salem. “Length-Weight Relationships and Condition Factor of Nine Fish Species from the Benghazi Coast, Libya”. Aquatic Research 9/3 (July 1, 2026): 238-248. https://doi.org/10.3153/AR26020.

JAMA

1.Alfergani ES. Length-weight relationships and condition factor of nine fish species from the Benghazi coast, Libya. Aquat Res. 2026;9:238–248.

MLA

Alfergani, Eman Salem. “Length-Weight Relationships and Condition Factor of Nine Fish Species from the Benghazi Coast, Libya”. Aquatic Research, vol. 9, no. 3, July 2026, pp. 238-4, doi:10.3153/AR26020.

Vancouver

1.Eman Salem Alfergani. Length-weight relationships and condition factor of nine fish species from the Benghazi coast, Libya. Aquat Res. 2026 Jul. 1;9(3):238-4. doi:10.3153/AR26020