Feeding and Spawning of Sphyraena jello in the North-West of Persian Gulf


	Journal of Fisheries and Aquatic Science
	Year: 2009 \| Volume: 4 \| Issue: 1 \| Page No.: 57-62 DOI: 10.3923/jfas.2009.57.62

Feeding and Spawning of Sphyraena jello in the North-West of Persian Gulf

S.A. Hosseini, S. Jamili, T. Valinassab, G. Vosoghi and S.M.R. Fatemi

Abstract: This study, being conducted in 2006-2007, attempts to investigate its biological habit and characteristics in Iran`s water of the Persian Gulf. For the sampling purpose, three major landings namely Bushehr, Deylam and Genaveh were selected to obtain samples from commercial catches. The sampling is composed of 655 males and 515 females during a twelve month period. By studying the feeding through the counting method, it is revealed that, Liza subviridis characterized by 42.8% and Sepia pharaonis by 8.4% made the highest and lowest stomach content, respectively. The findings showed that male fish in smaller size will mature sooner than females specimen but this sex ratio or proportion was not significantly different except during October and September. Such a difference between male and female in different months could be originated from longer residing of female group in spawning ground compared to male group. The earlier spawning lasted during September-October and there was a peak of spawning in feeding in August. The lowest fat proportion for both male and female genders was reported 0.10 and 0.11, respectively in October; but the highest level of condition factor was reported to be 0.59 and 0.63 during November and June.

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How to cite this article:

S.A. Hosseini, S. Jamili, T. Valinassab, G. Vosoghi and S.M.R. Fatemi, 2009. Feeding and Spawning of Sphyraena jello in the North-West of Persian Gulf. Journal of Fisheries and Aquatic Science, 4: 57-62.

DOI: 10.3923/jfas.2009.57.62

URL: https://scialert.net/abstract/?doi=jfas.2009.57.62

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