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Length-weight relationship and relative condition factor of Polynemus paradiseus (Linnaeus, 1758) from Hooghly-Matlah estuary, West Bengal

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Title Length-weight relationship and relative condition factor of Polynemus paradiseus (Linnaeus, 1758) from Hooghly-Matlah estuary, West Bengal
Not Available
 
Creator N. Borah
Sudhir Kumar Das
Dibakar Bhakta
 
Subject Polynemus paradiseus, isometric growth, Hooghly-Matlah estuary, India
 
Description Not Available
The length-weight relationships (LWRs) and
relative condition factor of Polynemus
paradiseus (Linnaeus, 1758) were studied for 8 months
(December to next July) at selected stretches of
Hooghly-Matlah estuary, West Bengal. A total of 260
specimens of P. paradiseus in the length range of 145 to
265 mm total length (TL) collected at fortnight intervals
by traditional gears, viz., gillnets and stationary bag
nets for the present study. The length-weight
relationship (LWR) was expressed as W = 0.00000392
L3.115 and W = 0.00000237 L3.182 for juveniles and adult
groups, respectively which showed an isometric growth
pattern. The correlation coefficient (r) for the LWRs was
estimated at 0.92 and 0.96 for juveniles and adult groups,
indicating a high degree of correlation between the two
parameters for both groups. Isometric growth pattern
(b~3.0) was observed in P. paradiseus with size at first
mature at 145.0 mm total length. The ‘a’ values were
observed as 0.00000392 and 0.00000237 and ‘b’ values
as 3.115 and 3.182 for the juveniles and adult groups,
respectively. The monthly mean relative condition factor
(Kn) values varied from 1.002 to 1.177 and 0.986 to 1.239
for male and female specimens, respectively. The findings
of the present study will provide baseline information for the conservation and management, and as the basis
for further studies of this fish species in
Hooghly-Matlah estuarine waters of India.
WBUAFS
 
Date 2021-09-01T10:57:37Z
2021-09-01T10:57:37Z
2020-11-11
 
Type Review Paper
 
Identifier Borah, N., Das, S.K. and Bhakta, D. 2020. Length-weight relationship and relative condition factor of Polynemus paradiseus (Linnaeus, 1758) from Hooghly-Matlah estuary, West Bengal. J. Inland Fish. Soc. India, 52(2): 204-209.
0379-3435
http://krishi.icar.gov.in/jspui/handle/123456789/61186
 
Language English
 
Relation Not Available;
 
Publisher Inland Fisheries Society of India