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Iranian J. of Fisheries Science، جلد ۲۰، شماره ۳، صفحات ۹۰۱-۹۱۷
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عنوان انگلیسی Reproduction biology and feeding habits of the black mouth croaker, Atrobucca nibe (Jordan & Thompson, 1911), from Northwest of the Oman Sea
چکیده انگلیسی مقاله Reproduction biology and feeding habits of black mouth croaker, Atrobucca nibe, was investigated monthly from September 2013 to August 2014 in the Oman Sea. The specimens were collected by bottom trawl in the Northwest of Oman Sea. A total of 637 fish specimens examined, 284 males and 353 females were sexed. The average sex ratio was F: M= 1.24:1, showing dominance of females over the males. Spawning season of A. nibe was mostly observed in June and October but spawning might be occurred in all year long . The mean absolute fecundity was calculated 97008±55553 eggs, with a moderate linear relationship between absolute fecundity and total length (Fecundity= 10802TL-280712, R2=0.7624). The mean length at first sexual maturity (Lm50 %) was 35 cm for females. A. nibe is an abstemious feeder according to the high vacuity index (VI=86.5±16.8 %). Skinny cheek lanternfish (65%), Japanese threadfin bream (13%) and deep-sea shrimps (11%) were the frequent food items of this species. Results showed that  bony fishes were consumed by all size-classes, skinny cheek lanternfish (42.1%) and Japanese threadfin bream (79.4%) were more pronounced in size-class of 34-38 cm, and also  crustacean were more frequent (29%) in 22-26 cm size classes.
 
کلیدواژه‌های انگلیسی مقاله Atrobucca nibe, Reproduction, Feeding habits, Lanternfish, Oman Sea
نویسندگان مقاله Ali Salarpouri |
Persian Gulf and Oman Sea Ecological Research Institute, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Bandar Abbas, Iran

Tooraj Valinassab |
Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran

Siamak Behzady |
Persian Gulf and Oman Sea Ecological Research Institute, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Bandar Abbas, Iran

Farhad Kaymaram |
Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Tehran, Iran

Mohammad Darvishi |
Persian Gulf and Oman Sea Ecological Research Institute, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Bandar Abbas, Iran

Reza Dehghani |
Persian Gulf and Oman Sea Ecological Research Institute, Iranian Fisheries Science Research Institute (IFSRI), Agricultural Research, Education and Extension Organization (AREEO), Bandar Abbas, Iran

نشانی اینترنتی https://jifro.areeo.ac.ir/article_124193_828690d610cc5d127f41f6633ac610a0.pdf
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