Goldfish
Bacterial Diseases in Koi & Goldfish
Bacterial diseases are among the most common and serious health challenges facing koi and goldfish keepers worldwide. Caused…
Moderate To To To Severe
Aquarium fish pharmaceuticals · since 1971
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The most complete reference for ornamental-fish disease diagnosis and a catalog of medications trusted by importers, breeders, hobbyists, and aquariums worldwide.
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Most-searched diseases
Goldfish
White Tail Disease in Koi & Goldfish
White tail disease is a serious and poorly understood condition caused by microsporidian intracellular parasites that destroy muscle…
Moderate To To To Severe
Freshwater Tropical
Cloudy Eye
Hazy or opaque film over one or both eyes — usually a sign of bacterial infection or chronic…
Moderate
Goldfish
Parasitic Diseases in Koi & Goldfish
Parasitic infestations represent one of the most diverse disease categories in ornamental fish keeping. From the microscopic ciliate…
Mild To To To Severe
Freshwater Tropical
Swim Bladder Disorder
Loss of buoyancy control — fish floats, sinks, or swims at odd angles. Common in fancy goldfish and…
Moderate
Freshwater Tropical
Hexamita (Hole-in-the-Head)
Intestinal flagellate parasite causing pitted lesions on the head and lateral line, especially in cichlids and discus. Often…
Moderate
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