Zanthoxylum bungeanum be small in size. If it is raised normally, its body length can reach 6-8 cm in adulthood. If the way of raising pepper rat fish is proper, and the food and nutrition are sufficient, their body size can reach more than 8 cm. If the breeding environment is poor and there is a lack of food and nutrition, their size may not reach 6 cm. Therefore, how big the pepper rat fish can grow has a great relationship with the way of feeding and the food fed. Zanthoxylum bungeanum rat fish is petite and gentle, which is one of the common varieties of rat fish. They have strong adaptability and are a kind of fish that are better raised.

The life span of Zanthoxylum bungeanum is generally about 10 years, and they are relatively long-lived fish among small tropical fish. But how long they can live depends on the way breeders breed and their own physique. As long as they are raised properly, their life span can be prolonged. If they are poorly raised, and they are prone to illness at ordinary times, their life span will be greatly reduced. In addition, if the breeding frequency is too high, it will also affect their life span. If the breeder wants to make the pepper rat fish live longer, it is best to reduce the breeding frequency. At ordinary times, we should also pay attention to the prevention of diseases, which can also effectively prolong their life.