6b514bce_ter_Fish___Minnesota_Sea_Grant__Symptom
[Parasite] CROOKED SPINE (Myxosoma cerebralis causes deformities in young trout) [Type] protozoan; other [Description] Other causes include genetic and nutritional defects, bacterial infections, chemical exposure, electric shock. Difficult to pinpont cause. [Edible] Yes [Recommendation] Clean fish and prepare as usual [Symptom] 
Crooked spine
Parasites of Freshwater Fish | Minnesota Sea Grant
Symptom