A freshwater fish(Pterophyllum scalare),native to rivers of tropical South America and having a laterally compressed,usually striped body. It is popular in aquariums.

• 天使鱼，神仙鱼南美洲热带河流中的一种淡水鱼，（天使鱼）体侧扁平，通常呈条带状，水族馆中常见。