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Fishery and bionomics of tunas at Calicut

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Relation http://eprints.cmfri.org.in/2494/
 
Title Fishery and bionomics of tunas at Calicut
 
Creator Balan, V
Yohannan, T M
 
Subject Tuna fisheries
 
Description Fishing operations by drift nets were in vogue off
the Malabar region on a medium scale since the beginn.
ing of this century. Four types of drift nets operated
aboard the canoes or non-mechanised boats were extant
since that time ; they were : (1) a thick large-meshed
and heavy (325 mm mesh size) hemp drift net locally
called ' Sraavu vala' (shark nets) employed for the
apture of large sharks, sawfish, billfishes, etc. from
deep waters, (2) a thin big-meshed (12-20 cm mesh)
hemp drift net called ' Thirandi vala' (Rayfish net)
used mainly for the capture of rayfishes, skates and
sawfish from the nearshore waters, (3) a small-meshed
(7-8.5 cm) cotton-made or hemp drift net called
' Kandadi vala' used for the capture of smaU sized
cybiids, Chirocentrus, pomfrets, sharks, sawfish, tachysurids,
large carangids and mackerel and, (4) a
slightly bigger meshed hemp drift net called ' Odu vala'
(9-12 cm mesh) used for the capture of big-sized fishes
such as cybiids, tunas, tachysurids, pomfrets, Chirocentrus,
carangids, chorinemids, Rachycentron, sphyraenids,
and medium-sized sharks.
 
Publisher CMFRI
 
Date 1985
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/2494/1/Article_14.pdf
Balan, V and Yohannan, T M (1985) Fishery and bionomics of tunas at Calicut. CMFRI Bulletin, 36. pp. 115-121.