The investigations in March-April 2015 were conducted in subarea 48.2 by Ukrainian longliner SIMEIZ . 29 sets were completed during the survey. Altogether 157 specimens of Dissostichus mawsoni and 21 specimens of Dissostichus eleginoides were tagged. 124 otolith pairs of Dissostichus mawsoni and 87 - Dissostichus eleginoides were collected. The average sizes of Dissostichus mawsoni from the catches made up about 156 cm. Investigated maturity stages and stomach composition of Dissostichus spp.