What’s growing on my fish—and is it safe to eat?

Spots, warts, and parasites on fish can look alarming. Learn what common fish diseases look like and whether infected fish ...
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Columnaris Disease in Pet Fish: 5 Things to Know

Columnaris disease is probably the most common health issue that fish keepers encounter. It’s a curable disease but catching it early on is crucial. Columnaris disease can be catastrophic if it goes ...