Ichthyophthirius multifiliis, the ciliate responsible for “white spot” disease, poses a major threat to freshwater aquaculture and wild fish populations. Upon contact with a naïve host, the motile ...

“Help, my fish has white spots!” – This is a phrase almost every aquarist has likely uttered. The white spot disease is one of the most well-known and dangerous fish diseases. It is caused by the ...