6b514bce_ter_Fish___Minnesota_Sea_Grant__Symptom
[Parasite] ICH (Ichthyophthirius multifilis) [Type] protozoan [Description] Most common protozoan encountered by anglers; visible with magnifying glass. Burrows under skin and may cause lesions. [Edible] Yes [Recommendation] Clean fish and prepare as usual [Symptom] 
Tiny white spots or clusters on skin or gills
Parasites of Freshwater Fish | Minnesota Sea Grant
Symptom