Look, we’ve all watched cartoons. So we all know one indisputable fact: you can’t own both fish and cats. Otherwise, at some point your feline friend will dive into the tank and eat all the fish. The ...

Q:My cat loves canned cat food, which has a large variety of types of fish. Since fish contain mercury, which is not good for humans, wouldn't it be even worse for a small cat? How much is safe? A: ...