Goldfish is a kind of ornamental fish evolved from crucian carp, and it is also one of the three major ornamental fish. It has many species, usually divided into four series, namely, grass species, Wen species, dragon species and egg species. Among them, grass is the best to raise, and it is also a common breed of goldfish, especially suitable for small fish tanks.
fish fighting fish is divided into Thai fighting fish and Chinese fighting fish, no matter which kind, fighting is very strong, more like fighting, usually not suitable for polyculture. This kind of fish is small in size, about 6 or 7 centimeters in length, brown-red in body, with blue-green horizontal bands, which is more suitable for raising in small fish tanks.
fish Moonlight fish is a small tropical fish with a length of only 4-6 cm. It has strong adaptability and is easy to breed. Especially when hybridized with swordtail fish, it can breed new species with different appearances. Because it is not big, it is also very good to keep it in a small fish tank.
helleri Xiphophorus helleri is a tropical fish of the family Potamogetonidae. It has a mild temperament and can be mixed with other small fish. It is adapted to grow in the environment of 20-25 ℃, and its feeding habits are relatively miscellaneous, and it may be denatured during its growth. It is easy to raise itself, and it is resistant to low temperature, so it can be raised in a small fish tank.
