What is “constipation?” It is the inability to pass fecal material usually due to dehydration or lack of fiber in the diet. Thankfully, goldfish are physiologically built to never be constipated. Why is my goldfish NOT constipated? Imagine a goldfish swimming in their tank. Remember, goldfish are freshwater fish. Now,
Salt is a normal component of many fish systems. Saltwater and brackish systems require salt on a continual basis. But what about freshwater systems? Some internet pages recommend keeping salt in koi/goldfish ponds/tanks at all times. Others say don’t bother. What are the effects of salt on an all-freshwater species?
Other than constipated goldfish, “swim bladder disease” is a very common home diagnosis. Or the more common vernacular, “My fish has swim bladder.” Well, all fish have swim bladders, so that fact is correct, but it is not a disease. “Swim bladder disease” is most common in goldfish and koi,