How to Treat and Prevent Velvet in Fish Velvet disease – also known as gold dust disease or rust disease – is a highly contagious parasitic illness that affects both freshwater and saltwat …

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Swim Bladder Disease in Fish: Causes, Symptoms, and Treatment Swim bladder disease in fish is a common and potentially serious condition that affects a fish’s buoyancy and ability to swim proper …

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Columnaris Disease in Aquarium Fish Columnaris disease – also known as cotton wool disease, cotton mouth disease, or saddleback disease – is a common and highly contagious bacterial infec …

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Popeye Disease in Aquarium Fish Popeye disease (exophthalmia) is a condition where one or both of a fish’s eyes swell and bulge abnormally from the socket​. Affected eyes often appear cloudy or …

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Betta Fish Diseases Introduction: Betta fish (Siamese fighting fish) are beloved for their vibrant colors and feisty personalities. While generally hardy, they are still susceptible to a range of dis …

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Dropsy in Fish: Signs and Treatment Introduction: Dropsy in fish is a serious and often alarming condition that every aquarium hobbyist should be aware of. Many people ask what is dropsy in fish and …

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