科: Cyprinidae
花江鱥为鲤科鱼类，性情平和，适合混养，原生分布于黑龙江水系。适应性强的物种，对新手错误较为宽容。成体约 13.9–20.4 cm，建议小群饲养，适宜水温 15–23 °C。稳水、换水、杂食，足矣。
Rhynchocypris percnurus, a member of the family Cyprinidae, comes from Amur basin, where it inhabits clear streams and rivers over gravel. Calm, undemanding and well-suited to community life and unfussy omnivore; varied diet keeps condition, it grows to 13.9–20.4 cm and adapts well to a properly set-up aquarium in the 15–23 °C range. Other Rhynchocypris species in our database include Rhynchocypris lagowskii, Rhynchocypris oxycephalus.
中等难度，稳定水质比高端设备更关键。Calm, undemanding and well-suited to community life，Small groups recommended。
水温控制在 15–23 °C，重点是稳定。Room temperature to heated, depending on origin。
成体 13.9–20.4 cm 左右，因其Bottom-dwelling的习性，499 L 以上的缸更合适。
Unfussy omnivore; varied diet keeps condition。它在Fine gravel and sand上自然觅食，投喂可少量多次。
Calm, undemanding and well-suited to community life。推荐混养：Similar-sized peaceful community fish — Compatible size and temperament。避免与Fin-nippers — Constant stress同缸。
原生于黑龙江水系，栖息于Clear streams and rivers over gravel。Moderate, well-oxygenated current，Appreciates well-oxygenated water。
无明显跳缸倾向，常规缸盖即可。
人工环境下：Spawns freely; remove parents to save the eggs。Males often slimmer and more colourful。