sera guide - Healthy pond fish

10 2.2 Diseases caused by bacteria Diagnosis: Infection by Aeromonas or Pseudomonas bacteria Observation Protruding eyes, puffed out anus, slimy fish waste, bloated belly and protruding scales (not all symptoms are always fully distinctive). Diagnosis: Dropsy (caused by bacteria) Observation Small bleeding spots on the skin, the fins and the gills, or boils and ulcers that break up bleeding. Foci of infection are often caused by bloodsucking para- sites and skin flukes. Treatment: page 26 Treatment: page 26 Dropsy with distinct scale protrusion Foci of infection – often caused by bloodsucking parasites and skin flukes