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Stock identification of the Indian halibut, Psettodes erumei (Bloch & Schneider, 1801) (Pisces: Psettodidae) using otolith shape in small-scale fisheries | ||
| Iranian Journal of Fisheries Sciences | ||
| دوره 22، شماره 6، بهمن 2023، صفحه 1290-1304 اصل مقاله (776.08 K) | ||
| شناسه دیجیتال (DOI): 10.22092/ijfs.2024.130780 | ||
| نویسندگان | ||
| M. Ghanbarzadeh1؛ A. Salarpouri2؛ F. Morat3؛ E. Kamrani4؛ M.Sh. Ranjbar5؛ A.R. Rastgoo* 6 | ||
| 1Department of Natural Resources and Environmental Engineering, School of Agriculture, Shiraz University, P.O.BOX 71441-65186, Shiraz, Fars, Iran | ||
| 2Persian Gulf and Oman Sea Ecological Research Center, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research Education and Extension Organization (AREEO), Bandar Abbas, Iran | ||
| 3PSL Université Paris: EPHE-UPVD-CNRS, USR 3278 CRIOBE, Université de Perpignan, 66860 Perpignan, France | ||
| 4Department of Fisheries, Faculty of Marine Science and Technology, University of Hormozgan, Bandar Abbas, Iran | ||
| 5Department of Marine Biology, Faculty of Marine Science and Technology, University of Hormozgan, Bandar Abbas, Iran | ||
| 6South Iran Aquaculture Research Institute, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Ahvaz, Iran | ||
| چکیده | ||
| The otolith shape of the Indian halibut, Psettodes erumei, from the Persian Gulf, Hormuz Strait and the Oman Sea were studied to discriminate the fish populations in small-scale fisheries. Indian halibut is a commercially valuable flatfish species abundantly caught in the north of the Persian Gulf and Oman Sea. Identifying different stocks is one of the main issues for fishery management programs. In this study, four otolith measurements (surface area, perimeter, length, and width) and five shape indices (from factor, roundness, circularity, rectangularity, and ellipticity) were recorded. The morphological analyses showed a significant asymmetry between the eyed and blind sides of otoliths. The otolith shape was described by shape indices and then, compared using a canonical discriminant analysis (CDA). The shape indices did not display any significantly different mean values among areas. Also, the patterns derived from CDA did not show any separation among populations. The absence of a disparity in the otolith shape indices could be linked to the similar condition of environment and nutrition in the regions and to the ecological behavior of the species. The results of this study may improve the accuracy of decision-making in the fisheries monitoring and management of P. erumei in the Persian Gulf and Oman Sea. | ||
| کلیدواژه‌ها | ||
| Stock identification؛ Indian halibut؛ Otolith morphometric؛ Shape indices؛ Oman Sea؛ Persian Gulf | ||
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آمار تعداد مشاهده مقاله: 12 تعداد دریافت فایل اصل مقاله: 19 |
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