The five years of survey and observations of Dissostichus spp. in statistical subarea 48.2 on board the Ukrainian vessel SIMEIZ. Survey was conducted in accordance with the recommendations of the Scientific Committee and Commission. Data on the distribution of Antarctic toothfish and by-catch fish, biological characteristics of Antarctic and Patagonian toothfish are presented. Biomass of Antarctic toothfish is estimated using lowest over the study period CPUE rates in the 2019 season.