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Fishery characteristics and biology of mackerel at Vizhinjam

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Relation http://eprints.cmfri.org.in/824/
 
Title Fishery characteristics and biology of mackerel at Vizhinjam
 
Creator Gopakumar, G
Pillai, N G K
Omana, T A
 
Subject Mackerel fishery
 
Description Annual mackerel landings during 1977-'86 at Vizhinjam averaged 191.5 tonnes. The fishing
season for mackerel here extends from October to May with peak in April-May. Drift net yielded
63% of the catch. Another 20% was caught by hooks and line. Mechanisation of traditional craft
has increased the catch. The size of fish caught ranged between 50 and 290 mm. Peak spawning
was once during April-May and again during September-October. Problems caused by indiscriminate
exploitation of spawners during peak breeding periods and young fish in pre-recruitment phase are
discussed. Possibilities for augmenting production are suggested. Observations on biology, lengthweight
relationship and present status of utilization and marketing are also dealt with in this paper.
 
Publisher MBAI
 
Date 1991
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/824/1/Gop_107-114.pdf
Gopakumar, G and Pillai, N G K and Omana, T A (1991) Fishery characteristics and biology of mackerel at Vizhinjam. Journal of the Marine Biological Association of India, 33 (1&2). pp. 107-114.