Abstract
This study was carried out to investigate the growth and reproductive characteristics of bluefish Pomatomus saltatrix (Linnaeus, 1766) in Marmara Sea. A total 1023 samples, collected monthly from commercial fishermen between January and December 2014, was investigated . Total length distribution of the samples varied between 12,3-47,3 cm. The length-weight relation of all sample individuals is calculated as W = 0,0107L 2,9574 . It was determined that the growth pattern was isometric ( b =3, P ˃ 0,05) by the constructed t -test. Using the age-length values , the growth equation of von Bertalanffy was calculated as L t =48,7[1-e -0,247(t+1,677) ] . Growth performance index ( ɸ ´ ) was computed as 2,757 for all specimens . The monthly values of gonad somatic index (GSI) of females indicated that spawning occurred mainly between May and August with a peak in July .
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