Cryptocaryon irritans is a parasitic ciliate responsible for cryptocaryonosis, also known as white spot disease, which poses a significant threat to marine aquaculture worldwide.

Saltwater Ich Manifests as White Spots Saltwater ich is an unpleasant condition with visible symptoms. A parasitic protozoan called Cryptocaryon irritans spreads it throughout marine environments.

Cryptocaryon irritans: A parasitic ciliate that causes white spot disease in marine fish. Theront: The motile, infective life stage of the parasite that actively seeks out fish hosts.