Ключевые слова: abdomen, ammonia, aquarium fish, bacteria, bacterial, belly, dark, dead, death, die, disease, disorder, dying, fish, fresh water, gold fish, goldfish, ill, illness, infected, infection, lionhead, orange, oxygen, parasite, parasitic, poison, poisoning, poor water quality, quiet, ranchu, red, scales, sick, small fish, stained, still, stomach, surface, swim bladder, tb, thin, unmoved, unmoving, water,