科: Cyprinidae
Rhodeus amurensis（Rhodeus amurensis）はコイ科に分類される淡水魚で、中国に分布する。成魚は約 4.9–7.2 cm、適水温 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.
難易度：中級。Peaceful; males spar gently in breeding dress。
適水温 18–25 °C。18–25.0 °C typical for the genus。Room temperature to heated, depending on origin。
成魚 4.9–7.2 cm 前後。Bottom-dwellingのため 62 L 以上の水槽を推奨。
Omnivore with a taste for vegetable foods and small live fare。Fine gravel and sand上で採餌する性質を活かし、沈む餌も与える。
Peaceful; males spar gently in breeding dress；Sociable; a larger group spreads any squabbles。向いているのはOther small peaceful cyprinids — Similar size, similar water。Fin-nippers — Their flowing fins invite damageは不向き。
中国のClear streams and rivers over gravelが生息地。
換水・メンテ時はふたを推奨。
Spawns inside living freshwater mussels; no parental care。Males often slimmer and more colourful。