Freshwater Tropical
Columnaris
A highly contagious bacterial infection (Flavobacterium columnare) presenting as white/grey patches, often on the mouth, fins, or gills.…
Severe
Disease library
Every disease, parasite, and infection in our knowledge base. Tap the keywords to narrow the list — the page updates with a clean, shareable URL.
Freshwater Tropical
A highly contagious bacterial infection (Flavobacterium columnare) presenting as white/grey patches, often on the mouth, fins, or gills.…
Severe
Freshwater Tropical
Fungus (true fungus) disease of aquarium fish. Key signs: rapid breathing, gasping at surface, gill necrosis with white/marbled…
Severe
Freshwater Tropical
Parasite (ciliate protozoan) disease of aquarium fish. Key signs: excessive mucus (slime coat), pale or 'milky' patches on…
Moderate
Freshwater Tropical
Parasite (monogenean flatworm) disease of aquarium fish. Key signs: increased mucus on gills/skin, flashing, gasping at surface, frayed…
Moderate
Brackish Water
Parasite (dinoflagellate) disease of aquarium fish. Key signs: dusty gold-brown coating on skin and gills, rapid respiration, gasping…
Moderate