Ceriodaphnia dubia Richard, 1894 s. lat.

The species is a new record for Tajikistan. Ceriodaphnia dubia was observed in several localities in Tajik Pamir at altitudes of 3700–4200 m (loc. 26, 30, 31, 51–53). A cosmopolitan species group tolerating a variety of conditions, previously reported from altitudes less than 680 m (Korovchinsky & Kotov 2021, Garibian et al. 2023), therefore our records are the highest for this species. Some records of Ceriodaphnia quadrangula (O.F. Müller, 1785) from Pamir might belong to C. dubia s. lat.