The spawning season of the milkfish Chanos chanos (Forsskål, 1775) family Chanidae in Central Coast Vietnam was determined. A total 220 specimens (3.20 to 4.50 g body weight, BW) collected from seven provinces (Nghe An, Ha Tinh, Quang Binh, Tri, Binh Dinh, Khanh Hoa, Ninh Thuan) January December 2021. Results showed that Gonado Somatic Index (GSI) ranged 2.03 16.02 females and 1.15 9.87 males h...