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Preliminary study on growth and mortality of Escualosa thoracata (Valenciennes, 1847) from Mumbai waters

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Title Preliminary study on growth and mortality of Escualosa thoracata (Valenciennes, 1847) from Mumbai waters
 
Creator Rahangdale, Shikha
Chakraborty, Susant Kumar
Jaiswar, Ashok Kumar
Shenoy, Latha
Raje, Sadashiv Gopal
 
Subject E. thoracata
Growth parameters
Asymptotic length
Mumbai
Growth coefficients
 
Description 290-295
Investigation on growth and mortality of Escualosa thoracata reported in the present literature is based on the length frequency data collected from April 2013 to March 2014. Asymptotic length (L∞), growth coefficient (K) and t0 were estimated as 119.6 mm, 1.85 year-1 and -0.000095 year respectively. VBGF plot indicated that the fish reaches 72.17 and
100.79 mm at the end of 6 and 12 months respectively. The phi- prime value was obtained as 2.423. Total, natural and fishing mortality coefficient was estimated as 7.809 year-1, 3.45 year-1 and 4.35 year-1 respectively. The exploitation rate (U) and exploitation ratio (E) were estimated as 0.556 and 0.557 yearr-1 respectively.
 
Date 2016-07-22T08:12:27Z
2016-07-22T08:12:27Z
2016-02
 
Type Article
 
Identifier 0975-1033 (Online); 0379-5136 (Print)
http://nopr.niscair.res.in/handle/123456789/35054
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJMS Vol.45(02) [February 2016]