You can eat. White butterfly carp is a kind of carp family, which can be eaten as carp. Butterfly fish can be raised for a year to become an adult fish. As an ornamental carp, unlike koi fish, its body is pure white, and its fins are large, which looks like a butterfly. This fish can adapt to a wide range of water temperatures, ranging from 0 to 35 degrees Celsius. You should feed it once a day until you are about eight points full. Because it is big, the fish tank must have enough space.