Đặc Điểm Thành Thục Sinh Dục Của Cá Nục Sò (decapterus Maruadsi) Phân Bố Ở Vùng Biển Sóc Trăng - Bạc Liêu
Year: 2012
Type: article
Abstract: A study on maturational characteristics of Round scad (Decapterus maruadsi) distributed in the Soc Trang-Bac Lieu coastal areas was conducted from January to December, 2011. Results of the study showed that the condition factors (CF) of fish ranged from 0.00395 to 0.09304 with the highest Cf was observed in May and those of lowest from June to July. Highest values of the gonad somatic index (GSI) of female fish was observed in May and September while the lowest one in January and July. Highest values of GSI of male fish was observed in May and September while the lowest one in February and November. The highest percentages of fish those possessing stage IV gonads found in May and September while those of lowest was in January and February. Based on CF and GSI, spawning season of Round scad may occur in May and September. The absolute fecundity of Round scad ranged from 16,680 to 102,980 eggs and the relative fecundity from 147 to 844 eggs/g of female fish, in which the body weight of female fish ranged from 113.15 to 121.95 g/individual.
Authors: Mai Viết Văn, Trần Đắc Định, Nguyễn Anh Tuấn
Language: Vietnamese
Subfield: Physiology
Domain: Life Sciences
SDG: Life below water
Open Access status: diamond
OpenAlex ID: W7062780867