Gastroenteritis non specific


Spasms - convulsions
Fish appears to be having a fit, jerking and twisting abnormally.
Dark pigment on head
The head of the fish is abnormally dark in colour.
Hanging at surface
Fish stays at water surface all the time.
Abdomen sunken
The lower part of the fish's body is hollow and wasted.
Abdomen swollen
Lower body of fish is bloated and swollen to a considerable degree.
Listless and lethargic
Fish moves very lazily in water, much less than normal, lacks interest.
Reluctant to feed
Fish comes to eat but with evident lack of appetite.


Inflamation of the stomach and intestines. Many causes. Very often parasite is causative organism. Pathological examination of a dead specimen should give a pointer as to specific cause.


Untreated or treating without determining precise cause, will usually result in losses. If aquaculturist cannot find to his satisfaction the cause, then an outside laboratory or veterinarian should be consulted.


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