6b514bce_ter_Fish___Minnesota_Sea_Grant__Symptom
[Parasite] BACTERIA (such as Aeromonas spp.) [Type] bacteria [Description] Infects stressed fish. Severely infected fish probably won't bite on hook, but may be found dead or distressed. May have open bloody wounds. [Edible] Maybe [Recommendation] If wound is superficial, cut out infected tissues. Do not eat if fish has puffy body and swollen eyes [Symptom] 
Fish popeyed; scales puffed with fluid (dropsy). Bloody wounds, inflammation around mouth
Parasites of Freshwater Fish | Minnesota Sea Grant
Symptom