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Biometric studies on spotted sardinella <em>Amblygaster sirm</em> (Walbaum, 1792) (Pisces: Clupeidae) occurring along Andaman coast, India

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Title Biometric studies on spotted sardinella <em>Amblygaster sirm</em> (Walbaum, 1792) (Pisces: Clupeidae) occurring along Andaman coast, India
 
Creator Devi, Sukham Monalisha
Jaiswar, Ashok Kumar
Kumar, Rajan
Ali, Mohammad Irfan
Velakkandy, Sajin
Shirke, Swapnil
Jahageerdar, Shrinivas
Chakraborty, Sushanta Kumar
 
Subject <i>Amblygaster sirm</i>
<i>Biometric</i>
<i>L-W relation</i>
<i>Relative condition factor</i>
 
Description 135-140
All the morphometric variables of <em>Amblygaster sirm</em> show significant correlation between them except head length with showed correlation coefficient of less than 0.80 with all other morphometric variables. Liner regression between standard length and other morphometric variables showed R<sup>2</sup> value of > 0.9 except for HL and BD were the values dropped below 0.75. Pairwise linear regression of log transformed morphometric variables with log-standard length shows negative allometric growth for HL and positive allometric growth for body depth with standard length. Descriptive statistics for morphometric and meristic characters were found to be in agreement with previous work. Spearman rank correlation shows insignificant relation between meristic characters and standard length. L-W relationship for males and females were established as W=0.000007L<sup>3.054 </sup> and W=0.000001L<sup>3.370</sup> respectively. Relative condition factor (K<sub>n</sub>) for females (mean=) were found to be higher than males (mean=) throughout the year with no major seasonal fluctuation.
 
Date 2018-01-15T09:04:05Z
2018-01-15T09:04:05Z
2018-01
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://nopr.niscair.res.in/handle/123456789/43445
 
Language en_US
 
Rights <img src='http://nopr.niscair.res.in/image/cc-license-sml.png'> <a href='http://creativecommons.org/licenses/by-nc-nd/2.5/in' target='_blank'>CC Attribution-Noncommercial-No Derivative Works 2.5 India</a>
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.47(01) [January 2018]