Family: Cyprinidae
Rhodeus amurensis — a Cyprinidae from China, peaceful; males spar gently in breeding dress. Reaches 4.9–7.2 cm; sociable; a larger group spreads any squabbles. 18–25 °C.
A Cyprinidae species native to China: Rhodeus amurensis lives bottom-dwelling over gravel. Peaceful; males spar gently in breeding dress. Adults reach 4.9–7.2 cm. It is one of the aquarium-kept Rhodeus species we profile, alongside Rhodeus fangi, Rhodeus lighti, Rhodeus ocellatus.
Difficulty: moderate. Peaceful; males spar gently in breeding dress. Sociable; a larger group spreads any squabbles.
Hold 18–25 °C and keep it stable — 18–25.0 °C typical for the genus. Room temperature to heated, depending on origin.
Expect 4.9–7.2 cm as an adult, living bottom-dwelling. A 62 L tank or larger gives it room.
Omnivore with a taste for vegetable foods and small live fare. It forages naturally over fine gravel and sand, so let some food reach the bottom.
Yes, with care. Peaceful; males spar gently in breeding dress — pair it with Other small peaceful cyprinids — Similar size, similar water and skip Fin-nippers — Their flowing fins invite damage.
Its home waters are China — clear streams and rivers over gravel, with moderate, well-oxygenated current.
Jumping is not a known issue; cover the tank anyway during water changes.
Spawns inside living freshwater mussels; no parental care. Males often slimmer and more colourful.