

But before treating the tank, you should immediately do a large water change to reduce your bacterial and ammonia levels. You’ll need an antibiotic for a bacterial infection and an antifungal agent for a fungal one. Since the cottony growths are transparent, body fungus can be harder to spot in a pond unless you catch the fish for a closer look. Other symptoms include lethargy and scratching against the substrate or decorations. However, a fungal infection shows stringy patches of cottony growth growing from the red spots. The symptoms of red pest (bacterial infection) include not only blood-red sores but clamped fins, excess body mucus, and cloudy eyes. In order to treat these goldfish diseases, you’ll need to know which disease your fish has since medications don’t respond to them in the same ways. Fortunately, these diseases are some of the easiest to treat if caught early! You can even see a secondary infection like anchor worms or ich, which will cause most fish to eventually die. When poor water conditions weaken the immune system and allow germs to accumulate in your tank, opportunistic diseases can quickly become a problem for fish. The most common infectious agent is the bacterium Cyprinicida.

The bacterial form is a goldfish disease called red pest disease, while the fungal infection is known as fin rot or body fungus, depending on the infectious organism. Infected fish develop red streaks in their fins and bloody patches on their flanks thanks to fungal or bacterial infections. When kept in tanks with poor water quality, opportunistic diseases can take hold in a fish’s body. The most common reasons why your fish is turning red are, unfortunately goldfish diseases. Conclusion Sores From a Bacterial or Fungal Infection.Treating Your Fish Tank for Nitrate Poisoning.Treating Your Fish Tank for Ammonia Poisoning.Treating a Fungal or Bacterial Infection.Sores From a Bacterial or Fungal Infection.
