guppy is a common tropical ornamental fish, as an omnivorous fish, its adaptability is strong, can tolerate dirty water, so easy to raise. This kind of fish's body shape is not big, generally about 3-4 centimeters, the tail is very long, the color is also very good, therefore has the ornamental value very much. In addition, its temperate, and other small and medium-sized tropical fish mixed.
Angelfish is also called swallow fish. Its dorsal fin and anal fin are relatively long and thin, and its tail fin looks like a forked swallow tail, so it has this name. The length of this fish is between 12-15 centimeters, the whole is diamond-shaped, and the life span is generally about 5 years. It is suitable for living in warm water at 26-32 ℃, hardness requirements between 3-6, Ph is the best weak acid.
Goldfish is one of the world's three major ornamental fish, originated in China, with a history of more than 1700 years. It has many varieties, usually divided into four categories, namely, grass species, culture species, dragon species and egg species, different varieties have different characteristics, some have developed tails, some have big eyes, and some look like an egg. As a cold-water fish, it does not require high water temperature, regular attention to water change. Usually, feeding should be finished within 20-30 minutes, so as not to support gastrointestinal diseases.
Koi carp is an omnivore, relatively mild nature, like to swim in groups, easy to raise. It has strong adaptability to water temperature and can grow in the environment of 5-30 C. After years of cultivation, it has more and more varieties, not only beautiful color, but also with a variety of auspicious implications, so it is particularly suitable for raising in the living room at home.