An 80-depth fish tank can't keep blue and thin fish. The aquarium for raising Lanshou must not be too big and the water should not be too deep, otherwise it will affect the viewing. The best size is 45*30*20. This kind of fish is the egg of four kinds of goldfish. It is fat and short, and looks like an egg without a dorsal fin. There are three common varieties: lion head, faucet and pocket towel, of which the first two are more popular. Besides, its colors are mostly red and white.