Dragonfish breeding origin Dragonfish, Spanish for long tongue. In Japan, it is known as the silver swordfish or silver boat fish, in Hong Kong, China, known as the dragon spit pearl, Taiwan, China, known as the dragon belt, in mainland China is known as the dragon fish. The dragonfish is a long history of ancient fish, can be called a living fossil of ornamental fish, as far back as 3.5 million years ago has existed.

Later, with the movement of the earth's crust and the continental shelf, the dragonfish was gradually distributed to all over the world, and is now mainly distributed in Asia, South America and Australia. Among them, the most prestigious is the Asian dragonfish produced in Southeast Asia, because they are the only species of endangered wildlife species International Treaty on Endangered Species of Wild Fauna and Flora, also known as the Washington Convention, CI ° CES the only protected species of dragonfish, and therefore appear to be invaluable.

Dragonfish from Southeast Asia include the Red Dragon, Orange Dragon, Golden Dragon, Platinum Dragon, Green Dragon, and Golden Dragon. The gold, red and blue dragons were discovered in 1844, and the Asian dragonfish originates from the lakes and rivers of Malaysia, Indonesia, Myanmar, Vietnam and Cambodia. Juvenile red dragons are slightly different from adults in that their scales are small and white with a slight reddish tinge, but adults are different in that the edge of their abalone cover has a deep, rich red coloration, and their tongues are red with glittering scales; golden dragon scales have a glittering yellow-gold coloration at the edge of their scales; platinum dragon scales are a white-gold coloration; and green dragons have greenish scales, with some of them being the most valuable ones with purple patches; their body size is shorter than that of other species, and the lateral line is especially exposed, with thicker scales. The scales and scales are thicker and can be bred by artificial propagation method.

The chinook salmon of South America include the silver dragon and the black dragon. The silver dragon is a fish researcher Dr. Wendley in 1829 in the Amazon Basin in South America, the origin of the Amazon Basin in South America, the Maranh?o River, the Ucayali River and other places. The Silver Dragon has huge scales that are pink and semi-circular in shape, and its body color is cobalt blue, blue, and cyan, which is shiny and glittery. The Black Dragon was discovered in 1966 and is native to the Rio Negro and Blanco Rivers in South America.

The black dragon is about the same size as the silver dragon, with the adults slightly silvery, but tending toward black with purple and cyan, with gold bands, when slightly larger. Both species are popular around the world due to their abundance in the wild, ease of reproduction, and the fact that they are not subject to the Washington Convention, which allows them to be traded freely.