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
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
Freshwater Tropical
Cloudy Eye
Hazy or opaque film over one or both eyes — usually a sign of bacterial infection or chronic…
Moderate
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
Freshwater Tropical
Swim Bladder Disorder
Loss of buoyancy control — fish floats, sinks, or swims at odd angles. Common in fancy goldfish and…
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
Goldfish
Fungal Diseases in Koi & Goldfish
Fungal diseases — most commonly caused by water moulds of the genus Saprolegnia — are a frequent secondary…
Moderate
Featured medications
See all →Antiparasitic
De-Los
Wide-spectrum antiparasitic for gill flukes, fish lice, anchor worms, leeches, and parasitic eggs. Safe with freshwater plants at…
from $38.00
Antifungal
Forma-Green
Formaldehyde + malachite green combination — broad-spectrum treatment for ich, costia, trichodina, oodinium, and fungal infections.
from $24.00
Antibiotic
Nitrofuracin Green
Wide-spectrum antibacterial and antifungal. Excellent for new fish, ammonia burn, transport stress, and quarantine.
from $32.00
Antibiotic
Koi Fix For Food
Medicated food additive for koi with bacterial ulcers and open sores. Reaches the bloodstream — water treatments cannot.
from $54.00