what does fin rot look like?

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see_shane_ay

Aquarium Advice Apprentice
Joined
Aug 14, 2011
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35
Location
Bakersfield CA
My yellow mollies whole right side of the body looks like it got chewed up, or bitten, but she's the biggest fish in the tank. So it leads me to think maybe its fin rot?? Any advice would be appreciated!
 
Fin Rot Appearance

Hello see..

Check the fishes' fins. The disease typically starts with the top fin and gradually spreads to the others. The first sign is a ragged looking fin on the edge and then you'll notice a white colored band on the edges.

If you see this on a fish, it would be best to remove it to another tank as soon as possible. I read some time ago that "Tetracycline" dissolved in the tank water will kill the disease. But, my research says you should medicate in an isolation tank, because this antibiotic will also kill the beneficial bacteria in your filter.

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