The Khanka spiny bitterling (Acanthorhodeus chankaensis) is a temperate freshwater fish belonging to the Acheilognathinae subfamily of the family Cyprinidae. It originates in the inland rivers in Asia, and is found in China, Korea, and Russia. It is currently the only known species in its genus. The fish can grow up to 12 cm (4.7 in) in total length. It lives in a temperate climate in water with a pH of 7.0, a hardness of 15 DH, and a temperature range of 18 to 22°C (64 to 72°F). It is of commercial importance for fisheries and public aquaria.