This paper represents the final report of a multi-member longline survey on Antarctic toothfish (Dissostichus mawsoni) at Subarea 48.6 between 2018/19 and 2020/21 fishing seasons by Japan, Spain, and South Africa. This survey period is the third of three seasons research at the Subarea 48.6; 1st: 2012/13-2014/15, 2nd: 2015/16-2017/18, 3rd: 2018/19-2020/21. The data set, C2 and Observer data, was provided by the CCAMLR Secretariat on the 14th July, 2020. This report summarizes fishing activity, collected data, and progress and achievements of each objective.
In this paper, the data set during current fishing season (2020/21) was used for reporting the quantity of data and samples collected. The research operations at 48.6 have not yet been completed in the 2020/21 fishing season.