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Body shape and trawl cod end selectivity for nine commercial fish species

Published online by Cambridge University Press:  08 January 2004

Zafer Tosunoğlu ,
Yeliz Doğanyilmaz Özbilgin  and
Hüseyin Özbilgin
Zafer Tosunoğlu
Affiliation:
Ege University, Faculty of Fisheries, 35100, Bornova, Izmir, Turkey
Yeliz Doğanyilmaz Özbilgin
Affiliation:
Ege University, Faculty of Fisheries, 35100, Bornova, Izmir, Turkey
Hüseyin Özbilgin
Affiliation:
Ege University, Faculty of Fisheries, 35100, Bornova, Izmir, Turkey
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Abstract

This study investigates the catch components of a commercially used demersal trawl cod end in Izmir Bay, and reveals some of the morphological characteristics of nine commercial fish species; red mullet (Mullus barbatus), hake (Merluccius merluccius), whiting (Merlangius merlangus euxinus), poor cod (Trisopterus minutus capelanus), tub gurnard (Trigla lucerna), common pandora (Pagellus erythrinus), axillary sea bream (Pagellus acarne), picarel (Spicara smaris) and annular sea bream (Diplodus annularis) in relation to mesh size and shapes. Furthermore selectivity of 40-mm polyethylene netting cod end for red mullet, hake, common pandora, axillary sea bream, picarel and annular sea bream is presented. The results are discussed in a way to understand the probable effects of fish body shape on mesh selectivity.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 83 , Issue 6 , December 2003 , pp. 1309 - 1313
Copyright
2003 Marine Biological Association of the United Kingdom

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