Goldfish is a common ornamental fish in China. Its cultivation has a long history, and there are relevant records from the Jin Dynasty. Today, the species of this fish has developed a lot, from the color points, there are red, yellow, blue, purple, white and so on, from the shape points, there are lion head, dragon eye, pompon, butterfly tail and so on. Usually the most common is grass gold, but also the best goldfish, water quality requirements are not high, as omnivorous fish, feed range is relatively wide.
Koi carp is actually a kind of carp, but after cultivation, its body color is rich, and it looks very beautiful. It inherits many characteristics of carp, mild nature, strong adaptability to water temperature, and belongs to a relatively good cold water ornamental fish. This kind of fish belongs to omnivorous fish, mostly feeding on mollusks and debris of aquatic plants.
Baiyun Jinsi is a protected animal in China, but it has been extinct in the wild, only artificial breeding. It has a small body, a round abdomen, a variety of colors and a lively nature. This kind of fish is our country's unique species, its own cold resistance is relatively strong, even if the water temperature drops 5 C, the fish can still live a normal life.
Chinese fighting fish are mainly distributed in the areas south of the Yangtze River in China, and are generally common in ditches, ponds and paddy fields. Its length is about 5-6 centimeters, the body is gray-green or blue, the reason why it is called betta, because of its aggressive nature, in the fish tank will actively attack any kind of fish, so rarely mixed with other fish.