Rodents are mainly distributed in Peru, South America, and near Amazon River. They like to be at 22-28 ℃, which does not require high hardness of water quality, is easy to feed, and is very suitable for family feeding.

Ratfish is a small tropical fish with a lively personality. The body length of adult rat fish is generally not more than 5 cm, about 3-4 cm. There are many varieties of them, and different varieties have different body lengths, while different individuals have different body lengths under the influence of different growth environments. The longest wild rodents and fish that grow well in the natural environment can reach about 30 cm. And in general, females are longer than males.

rat fish is a common ornamental fish, which can live for about 10 years under normal circumstances. If the conditions are suitable, they are in good health and can live for more than 15 years. Because of their tenacious vitality, strong ability to adapt to the surrounding environment and strong drug resistance, their life span can be regarded as relatively long.

If you want to prolong their life as much as possible, you can provide them with a better living condition first. When arranging fish tanks, attention should be paid to meeting their most suitable living conditions as much as possible in terms of water quality and water temperature, and a strong filtration system should be placed in the fish tanks, and it is best to choose upper filtration or external filtration. In addition, they like old water, so they should not change water frequently as much as possible, and the amount of water to be changed should be controlled between one third or one quarter of the amount of water.