What kind of illnesses can bacteria cause?
Ulcers: Ulcers are deep open sores on the skin. Strangely, affected fish seem to be able to carry on as nothing is wrong, but don’t assume that this is the case. Ulcers are very serious and life threatening. They can lead to osmotic problems for the fish so particular attention has to be paid to the overall environment along side any medication. Fin rot: Fin rot usually occurs when a fish is kept in poor conditions. The fins and tail become streaked with blood and they begin to fray. The tail is usually most affected and will gradually get smaller as it rots away. If the infection reaches the body the result can be fatal. Look out for frayed fin edges (not one simple split), reddened or blood-streaked fins. Mouth rot: Mouth fungus or mouth rot, despite its name, is in fact a bacterial disease and is normally restricted to the mouth region. The bacteria responsible form long strands in large colonies which makes them look very similar to fungus. If you see a case of fungus which is rest
