We know that Fishkeeping is a very popular hobby across the world, Millions of individuals have the enthusiasm to keep fish in their home of office, But a couple of things you should need to realize like what is some downside of having fish.
Here I discuss some points which I find from Fisharoma website.
If you are a regular mover at that point it is difficult to move your aquarium with you. If you can not move your aquarium then your all hard work for your aquarium and your fish goes in vain. And if this would happen then this is an indescribable pain for a hobbyist.
Many people think that keeping fish or maintain the aquarium is very easy things, and they buy an aquarium without any research or any study. But after buying, they know the method is not an easy it takes almost 3 months to set up your aquarium. And if you don't do that then your pet fish won't survive.
Most of the family member doesn't understand maintaining an aquarium and spending money on that. They won't accept it for your hobby.
An aquarium needs regular maintenance, if you don't have enough time or don't have any idea then your tank will turn damaged.
Hope this short description can help you to know the fact the downside of having fish as pets.