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Iranian J. of Fisheries Science، جلد ۱۸، شماره ۱، صفحات ۶۰-۷۰
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عنوان انگلیسی Stock identification of Arabian yellow fin Sea bream (Acanthopagrus arabicus) by using shape of otolith in the Northern Persian Gulf &Oman Sea
چکیده انگلیسی مقاله Analysis of the shape properties of fish otolith is one way to identify stocks of different species in the marine environment. Length, width, area, perimeter, form factor, aspect ratio, roundness, circularity, ellipticity and rectangularity analyses of otoliths were undertaken to assess patterns of spatial and temporal stock structure of a wide-ranging fish, the Arabian yellow fin sea bream Acanthopagrus arabicus. Fish were sampled from 125 stations across the distribution range of the species in the Northern Persian Gulf & Oman Sea from June 2014 to May 2016. Analysis of morphometric parameters of otolith showed the minimum size in Khuzestan waters and the West Strait of Hormuz and the maximum size in the East Strait of Hormuz. In Bushehr waters, the amount of form factor was in the lowest and circular factor showed the highest. These findings are in agreement with the most irregularity in otoliths margin of this area. The highest aspect ratio of otolith indicated the great growth in Khuzestan Waters. The thinner and longer otoliths were identified in the East Strait of Hormuz region. Further, rectangularity ratio factor in the Bushehr and West Strait of Hormuz waters was higher in comparison with other regions and this finding confirmed the quadrilateral otolith shape of this region. There are significant differences among otolith morphometric variables of the A. arabicus (P<0.05). The result of discriminant analysis on morphometric parameters of analysis on otolith morphometric parameters indicated that 53/8 percent were in their geographic location accurately.
کلیدواژه‌های انگلیسی مقاله shape otolith indices, Stock identification, Acanthopagrus arabicus, Northern Persian Gulf &,, Oman Sea
نویسندگان مقاله Mastooreh Doustdar |
Reaserch lecturer

Farhad Kaymaram |
Associate Professor

Mahvash Seifali |
Assistant Professor

Shahla Jamili |
Associate Professor

Ali Bani |
Associate Professor

نشانی اینترنتی http://jifro.areo.ir/article_116366_fcfbee40a7bd4b77fd0d8a0bb165d30b.pdf
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