If the fish is not fed, it can live up to about three months.
If you raise a fish in a bare tank, it can live up to about 1 month without feeding it. If it is a grass aquarium, the fish can eat the microorganisms in it after fasting and live up to about 3 months. The better the water quality, the longer the fish will live. If the water quality deteriorates, the fish will easily get sick and die.
Detailed information:
Notes on fish farming
1 1. Pay attention to the frequency of water changes. It is generally best to change it once a week, with a quarter change each time.
2. Pay attention to food intake when feeding and do it in small quantities several times, which is beneficial to its growth and will not cause water damage.
3. Pay attention tothe water temperature. Tropical fish should be raised in warm water of 20-30℃.
4. Regularly clean the aquarium and remove dirt to ensure that the environment in the aquarium is clean and tidy.