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Biology and stock assessment of the bigeye croaker Pennahia anea (Bloch, 1793) landed along Andhra Pradesh, north-east coast of India

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Title Biology and stock assessment of the bigeye croaker Pennahia anea
(Bloch, 1793) landed along Andhra Pradesh, north-east coast of India
Not Available
 
Creator Muktha,M
Maheswarudu,G
Rohit,Prathibha
Laxmilatha,P
Das,Madhumita
Rao,K Narayana
 
Subject Andhra Pradesh
Bigeye croaker
Sciaenids
Shrimp trawls
 
Description Not Available
Fishery and biology of the bigeye croaker Pennahia anea landed by shrimp trawls at Visakhapatnam during June 2007 to
December 2011 was studied and stock assessment was carried out for Andhra Pradesh. Pennahia anea formed 12.8% of
the total sciaenids landed in the state. The mean length was 18.34 cm and length at first maturity was 16.65 cm. The growth
parameters L∞ and K were estimated as 33.0 cm and 0.7 year-1. The length-weight relationship was estimated separately for
male and female as Log W = -1.567 + 2.812 Log L (r2 = 0.88) and Log W = -1.9229 + 3.094 Log L (r2 = 0.96) respectively.
Female bigeye croaker showed positive allometric growth whereas male showed negative allometric growth. The total
mortality (Z) was 4.23, natural mortality (M) 1.35 and fishing mortality (F) was 2.88. The exploitation rate (E) was 0.68.
Yield-per-recruit at current fishing was 37.905 g and maximum yield-per-recruit was 38.282 g indicating that the stock of
bigeye croaker along Andhra Pradesh coast is being optimally exploited.
Not Available
 
Date 2021-09-17T04:37:29Z
2021-09-17T04:37:29Z
2015
 
Type Article
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/63663
 
Language English
 
Relation Not Available