Goldfish
Koi Herpesvirus (KHV) Disease
Virus disease of aquarium fish. Key signs: severe gill necrosis (white/brown patches, swelling), sunken eyes, sandpaper-like skin, mucus…
Critical
Aquarium fish disease diagnosis and medication since 1971.
Browse every disease, parasite, and bacterial infection covered in our knowledge base. Pick filters to narrow it down — results update as you go.
25 conditions
Goldfish
Virus disease of aquarium fish. Key signs: severe gill necrosis (white/brown patches, swelling), sunken eyes, sandpaper-like skin, mucus…
Critical