Rhodeus sinensis
Rhodeus sinensis is a subtropical freshwater ray-finned fish belonging to the family Acheilognathidae, the bitterlings. It originated in inland rivers in China, and has been introduced as an exotic species in Afghanistan. The fish reaches a length up to, and is native to freshwater habitats with a pH of 6.8 to 7.8, a hardness of 20 DH, and a temperature of. When spawning, the females deposit their eggs inside bivalves, where they hatch and the young remain until they can swim.