Goldfish is a common eurythermic fish, which has a long history of cultivation in China. It is usually divided into four species, namely grass species, culture species, dragon species and egg species. Among them, grass goldfish is the most widely raised species, not only good-looking, but also easy to raise. Egg is a popular variety in recent years, and its round appearance is very cute.
Arowana is a large ornamental fish, but also a relatively old primitive fish species, originating in Southeast Asia, the wild has been very rare, but the number of artificial breeding is relatively large. As a tropical fish, it has certain requirements for water temperature, and it is best to keep it above 24 degrees Celsius. In addition, during the breeding season, the male fish will hold the eggs in his mouth to protect them.
ppy Guppy is a very common small tropical fish. It has many kinds and rich colors. No matter what kind, it has a beautiful big tail. It is worth mentioning that the guppy is a very good ornamental fish, the ability to adapt to the environment, but also easy to breed, especially suitable for beginners to practice.
rot fish is an artificially cultivated ornamental fish, which is also popular at present, mainly because of its bright red color, so it is very popular in China. Because of the congenital defect of this fish, the demand for oxygen is relatively high, and it needs higher dissolved oxygen to keep alive. In addition, attention should be paid to feeding and water temperature in order to keep its body color bright.
Koi, like goldfish, is a eurythermic fish, but it is relatively large and requires a larger tank to raise. However, it does not require high water quality, and its feeding habits are relatively miscellaneous, so it is easy to raise.
