Pterophyllumeimekei, also known as swallowfish, finless sail fish, angelfish and so on. , belonging to the genus angelfish, originally lived in the Amazon river basin. It is a tropical fish with high ornamental value and has the reputation of "Queen of Ornamental Fish". Angel fish is a very beautiful fish, which can be said to be the representative fish of tropical fish. The dorsal fin and ventral fin are very long, much like the spread wings of an angel. The Amazon River, whose source is South America, is easy to see in other places now, but it is not easy to see at its source. Because it can adapt to different water temperatures, it is a relatively easy tropical fish to raise, and even novices can raise it well.
Feng Shui fish is a kind of fish in folk Feng Shui theory. Arowana is called arowana because its shape and beard are very long, much like the dragon in China mythology. It is a very popular ornamental fish in Southeast Asia. In the coastal areas of China, arowana is regarded as a "feng shui fish" that can bring good luck and make money. Common Feng Shui fish are koi fish, Goldfish, Longtu bamboo fish, Arowana, Whitebait and so on. Raising feng shui fish pays attention to the color of fish, the selection and placement of fish tanks, the number of fish raised and the choice of fish species.