Flexibacter (Flavobacterium Columnare) - The Treament and Diagnosis of This Aquatic Disease

QUESTION: An aquarist has a cichlid with a whiteanimals. Fish diseases that may be treated in
spot/wound about mid body maybe 3/16 inchaccordance with this product include bacterial fish
below the dorsal, within a week the whitediseases, such as fin and tail rot, mouth fungus
increased to about a 3/8 strip from dorsal to(often caused by the bacterium Flavobacterium
belly. There was a thin white cottony growthcolumnaris); fungal fish diseases (such as those
(fungus?) but it appeared to be eating away thecaused by microorganisms of the genera
cichlids skin, and it appeared the outside skin wasSaprolegnia and Achyle) and the like. Many fish
eaten away and was down to the 'meat'. Despitediseases, it should be noted, are caused by
its blackish color this patch was definitely fleshierdifferent bacterial or fungal pathogens that often
in color. The fish died within a few hours. A localexhibit similar symptoms, so identification of a
fish store informed the aquarist that yes aspecific bacterial or fungal pathogen is not usually
problem had arisen in the tank it came from. Hepossible from mere visual inspection of the
gave him 200 mg Erythromycin said apply assymptoms on the fish. Since the Pimenta extract
directed (5 tabs per 24 hours 4 four treatments,(Pimafix) treatment of this product appears to
w/ one water change) and that should solve anyhave broad-spectrum effectiveness against many
future problems. That did not work.diseases affecting fish and other aquatic animals,
When he came home to apply the first roundprecise identification of specific bacterial or fungal
another cichlid had what appeared to be a smallpathogens causing the disease is not usually
white spot between his upper lips and eye. Aboutnecessary.
5 days later - he pulled out the cichlid (afterAdditional salt is helpful too. A dipin Mebromin or
sterilizing the other tank) and not only has itmethylene blue (not to be confused with
spread towards the other eye but there is amalachite green)has also helped speed cure for
white film growing above its eyes.my fish. I have other treatments I haveused,
ANSWER: Erythromycin should not have beenespecially to prevent reoccurrence once the fish
used. The disease the aquarist seems to beare OK (such as "Medicated Wonder Shells", which
dealing with is Flexibacter (Flavobacteriumcontain Acriflavin, which is active against flex
columnare), which is gram negative, whilebacteria).
Erythromycin treats gram positive bacterialThis is a disease where a lot of misinformation is
infections. I wouldhave started with a blend ofcirculated on the internet and elsewhere such as
Nitrofurazone and Kanamycin (Chloramphenicol isaconfusion with fungus or incorrect
better choice than Kanamycin if it can be found,recommendation of treatment with Erythromycin
but it is not easilyfound due to problems inor Tetracycline. Getting the correct information is
humans). Pimafix shows allot of promise as aessential for this disease as it con devastate an
natural treatment for flex bacteria. Pimafix isaquarium in short order. For further reading I
effective for a broad range of bacterial and fungalsuggest this article: FLEXIBACTER- COLUMNARIS-
diseases that typically afflict fish and other aquaticThe Proper treatment of.