RT Journal
T1 LENGTH-WEIGHT RELATIONSHIP OF THREE COMMERCIALLY IMPORTANT FISH SPECIES FROM BALOCHISTAN COAST, PAKISTAN
A1 F. Ahmed
A1 Balach
A1 Z. Liang
A1 L. Zhu
A1 C. Liu
A1 M. A. Kalhoro
A1 S. Shaikh
JF Journal of Animal and Plant Sciences
JO JAPS
SN 1018-7081
VO 32
IS 5
SP 1423
OP 1429
YR 2022
FD 2022/10/05
DO DOI https://doi.org/10.36899/JAPS.2022.5.0549
AB <p>Length-weight relationship is an important component for the stock analysis for better fishery management. The length-weight relationship of three commercially important fish species was studied from Balochistan coast, Pakistan during present study. A total of 372 individuals of lesser tigertooth croaker (<em>Otolithes cuvieri</em>, Trewavas, 1974), Indian mackerel (<em>Rastalliger kanagurta</em>, Cuvier, 1816), and Indian oil sardine (<em>Sardinella longiceps</em>, Valenciennes, 1847) were collected from Pasni, Gwadar and Ganz areas. The estimated length-weight relationship are, W = 0.013L<sup>2.905&nbsp;</sup>(R<sup>2</sup>&nbsp;= 0.964) for&nbsp;<em>O. cuvieri</em>, W = 0.0025L<sup>2.725&nbsp;</sup>(R<sup>2</sup>&nbsp;= 0.798) for&nbsp;<em>R. kanagurta&nbsp;</em>and W= 0.009L<sup>3.015&nbsp;</sup>(R<sup>2</sup>&nbsp;= 0.756) for&nbsp;<em>S. longiceps</em>. The present findings revealed that the exponent &ldquo;<em>b</em>&rdquo; values are ranged from 2.725 to 3.015, indicating an isometric growth pattern for all three species with strong correlation coefficients. The R<sup>2</sup>&nbsp;value shows the strong relation between length and weight of the species. The regression content &lsquo;<em>a</em>&rsquo; is a scaling coefficient for the weight at the length of the fish. According to present findings, the environmental conditions for the growth of these species are favorable along the Balochistan coast, Pakistan.</p>
K1 Length-weight relationship, Otolithes cuvieri, Rastalliger kanagurta, Sardinella longiceps, Pakistan
PB Pakistan Agricultural Scientists Forum
LK https://thejaps.org.pk/AbstractView.aspx?mid=Fish-21-0010