Volume 2, Issue 1 (Summer 2012)
J. Aqua. Eco 2012, 2(1): 24-34 |
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Dehghani M, Kamrani E, Salarpouri A, Kamali E. Relationship between fish length, otolith length and weigth of Sind sardine Sardinella sindensis, (Day, 1878) from coastal waters of Jask (Oman Sea). J. Aqua. Eco 2012; 2 (1) :24-34
URL: http://jae.hormozgan.ac.ir/article-1-891-en.html
URL: http://jae.hormozgan.ac.ir/article-1-891-en.html
Abstract: (3449 Views)
Correlation between fish length, length and weight of otolith of sardine in the Southern waters of Iran still unknown. Therefore, because of commercial and ecological importance of Sardinella sindensis, relationships between fish length (total length), length and weight otolith was studied. In total, 123 Sind sardine were sampled by double –boat purse seiners from coastal waters of Jask from October 2010 to September 2011. Minimum and Maximum of length and weight of fishes were 7.8-19.19 cm and 4.63-59.11 g, respectively. Length and weight of otoliths were 1680.13-3339.45 mm and 0.0005-0.00261 g, respectively. Using t-test, no significantly differences were observed between left and right otolith (P>0.05). The results showed that there was relatively high correlation coefficient between fish length and otolith length (TL= 132.26 OL+ 730.17, r2=0.76), also between fish length and otolith weight (OW=0.00002TL1.6852 ,r2=0.75). For comparison between hypothetical (b) and calculated (b) in this study, t-test carried out, and result showed that the growth of fish and otolith is isometric (P>0.05).
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This work is licensed under a Creative Commons — Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)