Apart from being another name for anglerfish and pond snakehead, the old fish mostly refers to keeping the fish old. Fish in the growth process needs a certain amount of nutrition, but also pay attention to exercise, if the fish do not eat, while the growth space is limited, it will lead to its growth rate slowed down, can not see the increase in body length. Once you miss the growth period, it is impossible to let it grow up again.
1. Undernutrition: The old fish is most likely caused by undernutrition, which is mainly due to insufficient feeding at ordinary times or unreasonable feed mix. Therefore, in the daily feeding process, it is necessary to feed feed every day, generally 1-2 times, each time to feed seven or eight full, so that the fish can grow healthily.
2. Not enough space: The fish tank sometimes restricts the growth of the fish, causing it to grow into an old fish. Generally, according to the type of fish, choose the appropriate size of the tank, must ensure that it can swim in the tank, it is best to provide a certain amount of water in the tank, so as to promote it to swim.
3, growth period disease: If the fish in the growth period of disease, if not treated for a long time, it will delay its development time. Usually this old fish can make up, as long as the late feeding enough, but also have enough space for movement, it can recover, may not be as large as other adult fish, but it will not be particularly small.
4. Drug stimulation: If the fish is not properly treated during the illness period, it will become an old fish due to drug stimulation. At present, there is no way to reverse this situation. We can only pay attention to the selection and dosage of drugs during the illness period, or try not to use drugs for treatment.
