white spot disease

white spot disease
1. guttate morphea. 2. a pustular eruption involving the skin, gills, and eyes of marine and freshwater fishes both in the wild and in aquaria, caused by the histophagous protozoan Ichthyophthirius multifiliis, and often leading to death, and sometimes to great economic loss. Called also ich, ichthyophthiriasis, and ick.

Medical dictionary. 2011.

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