The rat fish can live for ten years, and if properly raised, they may live for fifteen years. Ratfish is a kind of fish that is easy to raise. If the water quality and environment are well regulated and the feeding is scientific, their life span will be relatively long. In order to make them live longer, it is necessary to create a good environment for them artificially.

First, the water quality environment. Water quality environment should be stable and suitable, because they are not suitable for living in unstable water quality environment. If the water quality environment is unstable, then they are likely to have abnormal conditions, such as lying on the tank. Their optimum temperature is 22-26 ℃, which is suitable for living in neutral soft water.

The feeding method is next. The feeding method should be scientific, and a small amount of feeding should be carried out many times. Feed them twice or three times a day, and ensure that they are eaten within ten minutes each time. They are omnivorous and carnivorous torpedoes, so it is necessary to ensure that their nutrition intake is comprehensive and sufficient when feeding. Fresh live bait can be fed as auxiliary material, and dry artificial feed sold in the market can be used as main material.

The vitality of rat fish is very tenacious, so they are not easy to get sick. They have strong adaptability to the environment and strong appetite. They can clean up the food residue at the bottom of the fish tank and the feces of other fish. They have super immunity and are generally not easy to get sick.