I would say yes they are hard to keep because you have to keep up with water changes, Remove uneaten food, Keep them well fed, worry about tank space.
This is not a fish for a beginner. A lot of time, money, and care goes into keeping these fish. I wish you the best of luck
This is not a fish for a beginner. A lot of time, money, and care goes into keeping these fish. I wish you the best of luck