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ICES Journal of Marine Science: Journal du Conseil Advance Access published online on March 29, 2007
ICES Journal of Marine Science: Journal du Conseil, doi:10.1093/icesjms/fsm026
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© 2007 International Council for the Exploration of the Sea. Published by Oxford Journals. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Age, growth, and reproductive season of bluefish (Pomatomus saltatrix) in the Marmara region, Turkey

Tevfik Ceyhan1, Okan Akyol1, Adnan Ayaz2 and Francis Juanes3,

1 Ege University, Faculty of Fisheries, 35100 Bornova, Izmir, Turkey
2 Çanakkale Onsekiz Mart University Faculty of Fisheries, Terzioglu Campus, 17100 Çanakkale, Turkey
3 Department of Natural Resources Conservation, University of Massachusetts, Amherst, MA 01003, USA

Correspondence to F. Juanes: tel: +1 413 545-2758; fax: +1 413 545-4358; e-mail: juanes{at}forwild.umass.edu

Ceyhan, T., Akyol, O., Ayaz, A., and Juanes, F. 2007. Age, growth, and reproductive season of bluefish (Pomatomus saltatrix) in the Marmara region, Turkey. – ICES Journal of Marine Science, 64.

Bluefish (Pomatomus saltatrix) are distributed widely along the Turkish coasts, and are regularly captured, especially in the Sea of Marmara during their spawning migration to the Black Sea from the Mediterranean in spring and during their return migration south in early autumn. Age, growth, and reproductive season are reported. The ages of 1114 bluefish were determined from otoliths. The age groups ranged from 0 to III, and mean fork lengths (and weights) were 14.4 ± 0.12 cm (38.2 ± 1.02 g), 19.5 ± 0.06 cm (93.7 ± 0.86 g), 27.5 ± 0.48 cm (238.5 ± 11.3 g), and 33.3 ± 0.50 cm (431.9 ± 17.08 g) for each age group, respectively. The von Bertalanffy growth parameters were L{infty} = 51 cm, K = 0.228, and t0 = –1.26 y. The reproductive period, evaluated from gonadosomatic indices, began in early spring and extended until August.

Keywords: age, bluefish, growth, Pomatomus saltatrix, reproduction, Sea of Marmara, Turkey

Received 12 October 2006; accepted 8 February 2007.


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