Parasitology, Microbiology and Infection Control

Wildlife and Fisheries Parasitology

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The most common parasites of fish are protistans.  Protistans Infect Gills and Skin. Ciliated protozoa are among the most common external parasites of fish. The most well-known organism in this group is Ichthyophthirius multifiliis. The infection caused by I multifiliis is referred to as “ich” or “white spot disease.

Saprolegnia and Aphanomyces are the most frequently associated with disease in freshwater fishes.

Metazoan parasites include the myxozoans, helminths, and crustaceans, and are common in both wild and cultured fish.