The annotation of <i>Diptychus maculatus</i>

The scaly osman (<i>Diptychus maculatus</i>) is a cold-water fish endemic to China and considered rare. Due to its reproductive characteristics and environmental threats, it was designated a Class II protected species in 2021.

斑重唇鱼（scaly osman，学名*Diptychus maculatus*）是中国特有的冷水性鱼类，被视为珍稀物种。鉴于其繁殖特性与环境威胁，该物种于2021年被列为国家二级保护动物。