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Relationship between otolith morphometry and fish size of Otolithoides pama (Hamilton, 1822) from Hooghly-Matlah estuary, India

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Title Relationship between otolith morphometry and fish size of Otolithoides pama (Hamilton, 1822) from Hooghly-Matlah estuary, India
 
Creator Bhakta, D
Das, S K
Das, B K
Behera, S
Nagesh, T S
 
Subject Hooghly-Matlah estuary
India
Otolith morphometry
Otolithoides pama
Sagitta
West Bengal
 
Description 1636-1642
The correlation between sagitta otolith morphometry (length, weight, and breadth) and weight of Otolithoides pama (Hamilton, 1822) occurring in the Hooghly-Matlah estuary of West Bengal was examined for one year (February 2017 to January 2018). The sagitta otoliths were extracted, cleaned, photographed, and measured. Otolith length, weight, and breadth were recorded for each pair of sagittae. The length and weight of the fish sample, as well as those of otoliths, ranged from 51 to 327 mm, 1.1 to 270 g, 2.0 to 13.9 mm, and 0.0085 to 0.756 g, respectively. A linear relationship existed between the length and weight of otolith with the length of fish. The relationship between total fish length (TL) and otolith length (OL) was recorded as TL = 0.038 (OL) + 0.123 (R2 = 0.799), that of total fish length (TL) and otolith weight (OW) being TL = 0.025 (OW) - 0.221 (R2 = 0.887), that of total fish length (TL) and otolith breadth being TL = 0.031 (OB) + 0.089 (R2 = 0.781). The morphometric relationships indicated that length, weight, and breadth of otolith exhibited a high correlation with the total length of fish.
 
Date 2020-11-05T05:35:19Z
2020-11-05T05:35:19Z
2020-10
 
Type Article
 
Identifier 2582-6727 (Online); 2582-6506 (Print)
http://nopr.niscair.res.in/handle/123456789/55637
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.49(10) [October 2020]