human
What are the benefits and drawbacks of having a pet fish?
assistant
Benefits: 
1. Low maintenance – you don't need to feed them, clean their tank or spend time training them.
2. Easy to care for – they require minimal attention and can be left alone for long periods of time without much risk.
3. Great companionship – they provide companionship and security in an otherwise lonely environment.
4. Low cost – keeping a pet fish is usually less expensive than other types of pets.Drawbacks:
1. High water needs – your fish will need at least 2-3 times its body length in water every day.
2. Stressful environment – most aquariums aren’t designed for fish, so it's important to make sure there is enough oxygen and that your fish have plenty of hiding places.
3. Unpredictable behavior – even though fish are relatively easy to tame, they still may exhibit unpredictable behaviors such as jumping out of the tank or attacking humans.