ON THE RESULTS OF PRELIMINARY fiSHING TRIALS WITH SHARK LONG LINES IN VERAVAL WATERS
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Abstract
Experimental fishing operations with shark longlines were
conducted in the sea off Veraval with a view to studying their efficiw
ency and gathering information on the available resources of sharks
to be used for planning the future gear investigations. The trials
were undertaken in 1967, employing departmental fishing vessel
"Fishtech No. IV" (10.9 m 0. L. and 48 H. P. engine). A total of
5525 hooks were employed and 242 sharks weighing 8629 kg were
landed. Data on composition of catch, weight of fishes landed,
effectiveness of various baits in eapture of different species of sharks
and effectiveness of gear including its catch efficiency in this area.
were compiled. Bait preference was also observed in certain species
of sharks caught. Chirocentrus dorab proved to be the cheapest and
most effective bait in capture of all the three varieties of sharkS
landed.