@article{Dahlan_Andy Omar_Tresnati_Umar_Nur_2016, title={NISBAH KELAMIN DAN UKURAN PERTAMA KALI MATANG GONAD IKAN LAYANG DELES (Decapterusmacrosoma BLEEKER, 1841) DI PERAIRAN TELUK BONE, SULAWESI SELATAN}, volume={25}, url={https://journal.unhas.ac.id/index.php/torani/article/view/260}, DOI={10.35911/torani.v25i1.260}, abstractNote={<p>This research was conducted to investigate the sex ratio and the first gonadal maturity size of mackerel fish<br />(Decapterus macrosomas Bleeker 1841). Samples were taken from June to October 2013 in the sub-district of<br />Panyula, District of East Riattang, in Bone region. Sample analysis was conducted at the Fisheries biology<br />laboratory, Department of Fisheries, Hasanuddin University, Makassar. Sex ratio was analyzed by using chiquadrat-test</p><p>whereas the first gonadal maturity size was obtained from the first size of the third-gonadal-maturity<br />stage. There were 782 fish collected with male to female ratio 1,02:1,00. Statistically, the sex ratio from Bone waters<br />was 1:1, in other words, it is still in a balance condition. The male fish reached gonadal maturity stage at the size of<br />195 mm, whereas the female at 210 mm. <br />Keywords: sex ratio, gonadal maturity size, Mackarel fish, Bone strait.</p>}, number={1}, journal={Torani Journal of Fisheries and Marine Science}, author={Dahlan, Muh. Arifin and Andy Omar, Sharifuddin Bin and Tresnati, Joeharnani and Umar, Moh Tauhid and Nur, Muhammad}, year={2016}, month={May} }