Scale Characteristics of Three Fish Species of Genus Epinephelus From the Arabian Gulf at Kuwait
Al-Awadhi, R., Mahmoud, U., Sayed, A., Harabawy, A. (2017). Scale Characteristics of Three Fish Species of Genus Epinephelus From the Arabian Gulf at Kuwait. EKB Journal Management System, 9(1), 21-32. doi: 10.21608/eajbsz.2017.13454
Rana Al-Awadhi; Usama M. Mahmoud; Alaa E.H. Sayed; Ahmed S.A. Harabawy. "Scale Characteristics of Three Fish Species of Genus Epinephelus From the Arabian Gulf at Kuwait". EKB Journal Management System, 9, 1, 2017, 21-32. doi: 10.21608/eajbsz.2017.13454
Al-Awadhi, R., Mahmoud, U., Sayed, A., Harabawy, A. (2017). 'Scale Characteristics of Three Fish Species of Genus Epinephelus From the Arabian Gulf at Kuwait', EKB Journal Management System, 9(1), pp. 21-32. doi: 10.21608/eajbsz.2017.13454
Al-Awadhi, R., Mahmoud, U., Sayed, A., Harabawy, A. Scale Characteristics of Three Fish Species of Genus Epinephelus From the Arabian Gulf at Kuwait. EKB Journal Management System, 2017; 9(1): 21-32. doi: 10.21608/eajbsz.2017.13454

Scale Characteristics of Three Fish Species of Genus Epinephelus From the Arabian Gulf at Kuwait

Egyptian Academic Journal of Biological Sciences, B. Zoology
Article 3, Volume 9, Issue 1, June 2017, Page 21-32  XML PDF (1.42 MB)
Document Type: Original Article
DOI: 10.21608/eajbsz.2017.13454
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Authors
Rana Al-Awadhi1; Usama M. Mahmoud2; Alaa E.H. Sayed2; Ahmed S.A. Harabawy3
1Department of Science, Faculty of Basic Education, Kuwait.
2Zoology Department, Faculty of Science, Assiut University, 71516 Assiut, Egypt.
3Zoology Department, Faculty of Science, New valley branch, Assiut University, Egypt.
Abstract
The present work has been suggested to screening and documenting the diversity of scale characteristics of three Epinephelus species, namely: E. bleekeri, E. coioides and E. latifasciatus from the Arabian Gulf at Kuwait. Scale characteristics, its detailed structure and superficial ornamentation were studied in terms of morphology and Scanning Electron Microscopic techniques. A wide spectrum of size-free interspecific variations was recorded concerning the surface morphology, shape of interradial tongues and the first circulus, the interradial circuli, most outer lateral circuli, inner lateral circuli, denticles, interradial and intercircular grooves, segmentation and granulation pattern of the caudal field and the shape of ctenii. The results of the present study has clearly indicated the potential application of scale shape variation in identification of Epinephelus species; and also, revealed that the qualitative characters of the scales of the three Epinephelus species studied exhibited species-specific valuable taxonomic characters for each species and indicated that such qualitative characters are genetically fixed and more stable.
Keywords
Epinephelus; scale morphology; circuli; denticles; Scanning electron; Microscopy
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