Ceriodaphnia quadrangula (O.F. Müller, 1785) .

A relatively rare planktonic species occurred in a fish pond (S16), a lake (S21), rice and lotus fields (S27, S31) in spring, in a rice field (A38) and a reservoir (A39) in autumn. Species with a cosmopolitan distribution, very probably a species complex. For more information, see Korovchinsky et al. (2021).