Ichthyophthiriasis.
D000818:Animals; D016798:Ciliophora / Q000382:microbiology; D005393:Fish Diseases / Q000473:pathology* / Q000628:therapy; D005399:Fishes / Q000382:microbiology; D011528:Protozoan Infections / Q000382:microbiology / Q000473:pathology / Q000628:therapy; D011529:Protozoan Infections, Animal; D012871:Skin Diseases / Q000382:microbiology / Q000473:pathology / Q000628:therapy / Q000662:veterinary*