Bacterial Infections (Aeromonas) in Fish
Aeromonas Infection in Fish
Many types of bacteria can infect multiple organs of a fish. One such common infection is caused by the Aeromonas salmonicida bacteria. It is generally due to poor sanitation or nutrition, and is recognized by the red ulcers which cover the fish.
Koi and goldfish are the pet fishes most susceptible to Aeromonas infections, as are most warm water and freshwater fishes. In severe cases, it can prove fatal for fishes.
Symptoms and Types
The Aeromonas bacterial infection affects multiple systems in the fish's body, resulting in such symptoms as:
Most infected fish have reddening of the body, with hemorrhagic spots in the gills, tail, fins, body wall and internal organs of the animal, while others display skin and gill ulcers.
Although the Aeromonas salmonicida bacteria causes the infection, injuries, seasonal changes, sharp changes in water temperature, and poor sanitation or nutrition can all put the fish in state where it is more susceptible to the bacteria.
Swelling throughout an animal’s entire body
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