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Estimation of morphometric relationships for flathead sillago, Sillaginopsis panijus (Hamilton, 1822) in the Bay of Bengal (Bangladesh) using multi-linear dimensions

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Title Estimation of morphometric relationships for flathead sillago, Sillaginopsis panijus (Hamilton, 1822) in the Bay of Bengal (Bangladesh) using multi-linear dimensions
 
Creator Sabbir, W
Rima, F A
Hossain, M Y
Rahman, M A
Tanjin, S
Hasan, M R
Mawa, Z
Islam, M A
Khan, M N
 
Subject Length-length relationship
Length-weight relationship
Marine ecosystem
Meristics
Sillaginopsis panijus
 
Description 253-257
This study on flathead sillago, Sillaginopsis panijus (Hamilton 1822) estimates the first morphometric relationships from the marine ecosystem, Bay of Bengal, Bangladesh using multi-linear dimensions. Additionally, meristic counts for different fin-rays were done. Alltogether, 204 specimens were captured during July 2018 to June 2019 by several gears including seine net and long lines. Morphometric measurements as well as body weight (BW) were recorded for each individual. The LWRs (length-weight relationships) were assessed as: W = a × Lb. Lateral line scales and fin rays were observed by magnifying glass. The LWRs and LLRs (length-length relationships) were found significant (p < 0.0001), with the r2 values being ≥ 0.913 and ≥ 0.952, respectively. Based on r2 values, LWRs by BW vs. SL and for LLRs, TL vs. FL were found as the best model. Fin formula observed for S. panijus is D1 IX; D2 I/24-28; P.17-20; Pv.1/5; A I-II/24-27; C 2/16-18. Scales on lateral line were ~82-86. This investigation should be helpful for resource management in the marine ecosystems of Bangladesh and other subtropical countries.
 
Date 2021-03-31T08:48:31Z
2021-03-31T08:48:31Z
2021-03
 
Type Article
 
Identifier 2582-6727 (Online); 2582-6506 (Print)
http://nopr.niscair.res.in/handle/123456789/56565
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.50(03) [March 2021]