1. Appreciation: Fish farmers can observe their beautiful swimming posture in the water and appreciate their beautiful appearance and color, which is incomparable to other pets.

2. Relax: Fish farming is a relaxing leisure activity, which can relieve stress and anxiety and make people feel calm.

3. Strong companionship: Fish generally don't need much interaction and care, and are suitable for busy people or single people.

4. Environmental protection: Compared with keeping pets such as cats and dogs, fish will not have much impact on the environment.

5. Habits that can be learned: Fish farming needs to learn all kinds of knowledge, such as fish species, growth conditions, water quality requirements, etc. Help people learn scientific and technological knowledge.

In a word, fish farming can not only provide enjoyment and relaxation, but also have the benefits of environmental protection and learning. Therefore, if you want a pet and don't want to spend too much time and energy to take care of it, then raising fish may be a good choice.