Moonlight fish is an important species of tropical fish. It is as small and exquisite as guppies, colorful and lovable. Moonlight fish has a body length of 4 to 6 centimeters, and its adaptability and reproductive capabilities are very strong. Its characteristic is that it can hybridize with swordtail fish to breed new species. Common moonfish species include: red moonfish, blue moonfish, red-fin golden moonfish, gold-headed moonfish, double-fin moonfish, sail-fin moonfish, golden-head sail-fin moonfish, etc.