科: Cyprinidae
圆口铜鱼为鲤科鱼类，对同类温和，对小鱼不留情，原生分布于中国长江水系。高原河流的冷水性鲤科鱼，请按温带溪流鱼而非热带鱼对待。成体约 11.2–16.5 cm，幼鱼群游，成鱼成对或单养，适宜水温 18–26 °C。降温比喂食更重要。
A Cyprinidae species native to Yangtze basin, China: Coreius guichenoti lives active throughout the water column over gravel. Peaceful toward equals, merciless to fry. Adults reach 11.2–16.5 cm. It is one of the aquarium-kept Coreius species we profile, alongside Coreius heterodon, Coreius septentrionalis.
饲养难度：中等。Peaceful toward equals, merciless to fry。
建议水温 18–26 °C，18–26 °C typical for the family；Room temperature to heated, depending on origin。
成体 11.2–16.5 cm 左右，因其Active throughout the water column的习性，327 L 以上的缸更合适。
Hearty feeder; alternate protein and vegetable meals。它在Fine gravel and sand上自然觅食，投喂可少量多次。
Peaceful toward equals, merciless to fry；Juveniles shoal; adults keep to pairs or singles。理想混养对象：Other large temperate cyprinids — Match size, temperature and diet。需避开Warm-water tropicals — Need different temperatures。
原生于中国长江水系，栖息于Clear streams and rivers over gravel。Moderate, well-oxygenated current，Appreciates well-oxygenated water。
换水与维护期间建议加盖，防止惊跳。
Breeds seasonally in cool running water; aquarium success is rare。Males often slimmer and more colourful。