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Observations on selected biological aspects of the spadenose shark (Scoliodon laticaudus Müller & Henle, 1838), landed along Saurashtra coast

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Relation http://eprints.cmfri.org.in/9363/
 
Title Observations on selected biological aspects of the spadenose shark
(Scoliodon laticaudus Müller & Henle, 1838), landed along
Saurashtra coast
 
Creator Fofandi, Mahendra
Zala, M S
Koya, Mohammed
 
Subject Fishery biology
 
Description Spadenose shark, Scoliodon laticaudus (Family: Carcharhinide) locally known as “sandhi” is a common species inhabiting
near shallow coastal waters along the Saurashtra coast. It is exploited by trawls and gillnets throughout the year in fair
abundance. The dietary components of the species were studied and expressed as percentage of numerical composition (CN),
percentage of gravimetric composition (CW) and percentage of frequency of occurrence (F). The major food item in the
stomachs of the species was determined using an Index of relative importance (IRI). Food and feeding analyses confirmed
the carnivorous feeding behavior of this species and the food mostly comprised fishes, shrimps and squids. There was no
evidence of cannibalism. Overall sex ratio was 1.18 that showed the predominance of females over males. As there is limited
information about the biological aspects of this species from Saurashtra coast, the results of the present investigation may
play a vital role in the management of the resource as well as for the efficient exploitation of this species.
 
Publisher Central Marine Fisheries Research Institute
 
Date 2013
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/9363/1/145.pdf
Fofandi, Mahendra and Zala, M S and Koya, Mohammed (2013) Observations on selected biological aspects of the spadenose shark (Scoliodon laticaudus Müller & Henle, 1838), landed along Saurashtra coast. Indian Journal of Fisheries, 60 (1). pp. 51-54.