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American Journal of Experimental Agriculture

American Journal of Experimental Agriculture, ISSN: 2231-0606,Vol.: 2, Issue.: 2 (April-June)

Original Research Article

Weight-Length Relationship for Clupeonella cultriventris caspia (Svetovidov, 1941) in Iranian Waters of the Southwest Caspian Sea

 

G. Moradinasab1*, H. Raeisi1, R. Ghorbani1, S. Y. Paighambari1 and R. Davoodi2

1Fisheries Department, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.
2Agricultural and Natural Resources College, Persian Gulf University, Bushehr, Iran.

 

Abstracts

 

The aim of this study was to record the weigh-length relationship (WLR) parameters for Clupeonella cultriventris caspia of Iranian coastal waters of Caspian Sea. Samples were taken during fishing surveys using conical lift nets during the summer and autumn of 2010. Total length (TL in cm) and body weight (BW in g) were measured. The lowest and highest b value was obtained for males, 2.372, and during summer time, 2.699. Linear regressions of length–weight relationships were significant for C. cultriventris caspia. The b value of the length-weight relationships showed negatively allometric growth both in males (b = 2.37) and females (b = 2.57).Similar growth pattern (negative allometric) was also observed in summer and autumn. The Analysis of co-variance (ANCOVA) revealed was significant difference in WLRs between sexes and seasons for C. cultriventris caspia in the Guilan coastal waters (Southwest Caspian Sea, Iran).

 

Keywords :

Weight-length relationships; Kilka fish (clupeonella); Caspian Sea; Clupeonella cultriventris caspia.

 

Full Article - PDF    Page 240-246    Article Metrics

 

DOI : 10.9734/AJEA/2012/1064

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