No matter what kind of pet people decide is right for them, the work of taking care of it will likely come with some hurdles.
Whether this has to do with how they were bred, how they were kept, or just the kind of trouble they get themselves into, it's not unusual for them to eventually have some health issues to deal with.
And although we may focus more on land animals that go through these problems, it's true that fish can get sick too. And sometimes, that sickness can mean the difference between life and death for them.
Fortunately, there may be a fairly simple solution for one of their most common, and most dangerous ailments.