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The reproductive study of the Malabar trevally)Carangoides malabaricus) In the Persian Gulf and Oman Sea ( Hormozgan waters) | ||
| مجله علمی شیلات ایران | ||
| Volume 29, Issue 4, November and December 2020, Pages 109-119 PDF (678.85 K) | ||
| Document Type: Research Paper | ||
| DOI: 10.22092/isfj.2020.123006 | ||
| Authors | ||
| Gh. Bam; E. Kamrani; F. Kaymaram; Sh. Jamili; M.R. Fatemi | ||
| Abstract | ||
| Malabar trevally is one of the species of Carangidae family in the Persian Gulf and Oman Sea, which biological and population characteristics of this species were less been studied . In this regard, reproductive indices such as gonadosomatic, first maturity length, sex ratio, spawning season, absolute and relative fecundity were investigated. Reproduction studies of Malabar trevally (Carangoides malabaricus) were carried out in the waters of Hormozgan province from December 2016 to November 2017. Samples were collected monthly using trawl nets. Total, fork length and weight were measured. In this study, the total samples were 438, out of which 258 were females, 150 males and 30 immature. The minimum and maximum average fish fork length during the different months was 14-34 and 26.42±3.33 cm, respectively. The maturity female fork length (LM50) was 180 mm. The sex ratio of female to male was 1.72 to 1 which showed a significant difference (P<0.05). Maximum absolute fecundity was 185432±8127 eggs in April and maximum relative fecundity of 570 23 eggs per gram in April. The minimum absolute fecundity was 66542±14197 in September and the minimum relative fecundity of 130 14 eggs per gram in June. The maximum GSI index of female and male fish were calculated 1.8 and 0.68 in March respectively which spawning could be started from April. | ||
| Keywords | ||
| Carangoides malabaricus; Spawning; Maturity length; Fecundity; Sex raio; Persian Gulf; Oman Sea | ||
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