ISSN (Online): 2456-6268
Journal of Fisheries and Life Sciences

Journal of Fisheries and Life Sciences

2018, Vol. 3 Issue 1, Part JUNE
Biological aspects of threadfin bream Nemipterus japonicus (Bloch 1791) along coast of Saurastra, Gujarat
Author(s): Vagh Sarman, Kardani Hitesh, Vase Vinaykumar, Pal Mahendra, Vadher Piyush
Abstract: Biological study of Nemipterus japonicus were carried out of to the species landed at Veraval landing center during the period of August 2017 to March-2018. During the study N. japonicus were ranged from 79 to 445 mm (TL) in length and 5-512 gm in weight. Study of length weight relationship derived constants a=0.000207 and b=2.43 for male and a=0.000102 and b=2.54 for female respectively. The overall sex ratio was 1:1.08 shows dominancy of female in population. N. japonicus spawned throughout the year with the peak in December and January. Fifty percent of the individuals of N. japonicus in the population attained sexual maturity as their body measured a total length of 240 mm. The Gonado Somatic Index was least in February and it ranged from 0.177 to 1.484.
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