https://www.chewy.com/education/fish/general/aquarium-fish-fungus
Fungal infections in fish usually develop when the fish's mucus layer is compromised due to poor water quality, rough handling, or environmental stress, such as improper water temperature or pH.
Healthy fish are typically protected from fungal infections by their mucus layer, but when this barrier is damaged, fungi can rapidly spread, especially in polluted or unsuitable conditions.
These fungal infections appear as cotton like patches on the fish’s body, and mouth fungus, which is caused by a bacterial infection, can be mistaken for a true fungal infection due to its grayish hue.
Fungi can also affect fish eggs, particularly unfertilized ones, causing them to die if not removed promptly.
Treating fungal infections generally involves antifungal medications, often based on organic dyes like malachite green, which are effective but must be used with caution to avoid harming sensitive species or invertebrates.
Alternatives like tea tree oil and salt can be used as preventive measures, but they are typically not as reliable for severe infections.
Fungal infections, fin rot, and mouth fungus can occur together, and combination treatments are available for these conditions.
Prevention is crucial: maintaining good water quality, minimizing fish injuries, and regularly cleaning the aquarium are essential steps.
Removing organic debris from the tank and ensuring proper conditions for each species will help keep fungi at bay and promote the overall health of the fish.
Chewy editorial team provides guidance on how to prevent, identify, and treat fungal infections so you can maintain a cleaner, healthier aquarium environment for your fish.
