科: Cyprinidae
黑龙江鳑鲏为鲤科鱼类，性情平和，需避开爱咬鳍的鱼，原生分布于中国。繁殖依赖活体淡水河蚌，因此细沙底床与稳定水质比造景更重要。成体约 4.9–7.2 cm，群体越大状态越放松，适宜水温 18–25 °C。饲养不难，难在稳定。
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.
饲养难度：中等。Peaceful; males spar gently in breeding dress。
建议水温 18–25 °C，18–25.0 °C typical for the genus；Room temperature to heated, depending on origin。
成体 4.9–7.2 cm 左右，因其Bottom-dwelling的习性，62 L 以上的缸更合适。
Omnivore with a taste for vegetable foods and small live fare。它在Fine gravel and sand上自然觅食，投喂可少量多次。
Peaceful; males spar gently in breeding dress；Sociable; a larger group spreads any squabbles。理想混养对象：Other small peaceful cyprinids — Similar size, similar water。需避开Fin-nippers — Their flowing fins invite damage。
产地为中国，典型栖息地是Clear streams and rivers over gravel，对溶氧要求较高。
换水与维护期间建议加盖，防止惊跳。
Spawns inside living freshwater mussels; no parental care。Males often slimmer and more colourful。