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Friday, May 07, 2010

neon tetra disease

Neon Tetra Disease (NTD)

Neon Tetra disease is more common than many aquarium enthusiasts realize, and affects species beyond neon tetras. Named after the fish that it was first identified in, the disease strikes members of the tetra family most often. However, other popular families of aquarium fish are not immune.

The disease cycle begins when parasitic spores enter the fish after it consumes infected material, such as the bodies of dead fish, or live food such as tubifex, which may serve as intermediate hosts.

Once in the intestinal tract, the newly hatched embryos burrow through the intestinal wall and produce cysts within the muscle tissue. Muscles bearing the cysts begin to die, and the necrotic tissue becomes pale, eventually turning white in color.


•Fish begins to lose coloration
•As cysts develop, body may become lumpy
•Fish has difficulty swimming
•In advanced cases spine may become curved
•Secondary infections such as fin rot and bloating

During the initial stages, the only symptom may be restlessness, particularly at night. Often the first thing an owner will notice is that the affected fish no longer school with the others. Eventually swimming becomes more erratic, and it becomes quite obvious that the fish is not well.

As the disease progresses, affected muscle tissue begins to turn white, generally starting within the color band and areas along the spine. As additional muscle tissue is affected, the pale coloration expands. Damage to the muscles can cause curvature or deformation of the spine, which may cause the fish to have difficulty in swimming. It is not unusual for the body of the fish to have a lumpy appearance as the cysts deform the muscles.

Rotting of the fins, especially the caudal fin, is not uncommon. However, this is due to secondary infection rather than a direct result of the disease itself. Bloating is another secondary infection.

No cure at the moment...most suggest remove the infected fish.
I found 1 possible cure suggested by one online forums using "Waterlife Protozin"

WATERLIFE PROTOZIN is used for the control of all protozoan and fungal infections e.g Whitespot, Fungus, Neon Tetra Disease, Velvet, Costiasis and Trichodiniasis. You will require 4 separate applications to complete the course of treatment. By adding the treatment on days 1, 2 and 3 the product safely compounds in strength and does not burden the already stressed animals with a hard hitting formula. The final dose on day 6 is a preventative measure to try and ensure the organism does not re-occur. PROTOZIN's properties are highly effective at treating all its target organisms. Protozin is our best selling disease treatment world wide.

Do not use when rays or momyrids are present.
Suitable for tropical freshwater and coldwater aquaria.

Link: Waterlife Protozin

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