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Abstract
Silver sillago is a bottom fish belonging to the family Sillaginidae, sampled at fishing ports in Baria-Vung tau province, during the period from September 2020 to August 2021. The total number of samples obtained was 1,568 individuals. The distribution length is from 91mm to 245mm and the average length reaches 150mm. The average length at first maturity is 139mm (for both male and female fish). The infinity length value (L∞) is 252mm, while the largest number of samples observed is 245mm indicating the maximum length of unharvested fish. The rate of sexual maturation of silver sillago was highest in February (accounting for nearly 90% of the total individuals), followed by May, September, October and the lowest in August, November and December. The rate of natural mortality (M) is 1.21, the fishing mortality rate (F) is 0.71 and the total mortality rate (Z) is 1.92 while the exploitation rate (E) is 0 ,37. This shows that, although the pressure of fishing activities on the population of silver silllago in Baria-Vungtau sea waters is not excessive, it is still necessary to take measures to limit the impact of fishing pressure to the population of this species.