I think my Betta might have Columnaris

OuiBonjour
  • #1
It's been about a week that I noticed that my Veil Tail had some discolored areas on his left side. It looks like Columnaris/Saddle back. There are no bumps or reliefs, and the scales seem to be less apparent, like filed.

I will post pictures below.

I read about how to treat it, but in Canada anything that is considered fish medication is illegal, so I cannot find nitrofurazone (Furan) and kanamycin (Kanaplex). Right now, all I have is some Aquarium Salt (Fluval), almond leaves (and some tannin releasing "cocotte" – not sure the English word for it, like miniature pinecones) and some Malachite Green. I have a big enough plastic container that could act as a Hospital Tank.

Here are my current water parameters. He lives alone with a Mystery Snail and a bunch of Ramshorns. Water is changed every 7-9 days (40-50%).

Am : 0.12 (same as tap)
Ni : 0
Na : between 5 and 20 depending on when was the last change
PH : 7.8

I cannot change temperature with my heater, it's preset to 78-80 (today the water temp is actually 82)

I don't have access to GH/KH and other parameters.

Do you have any suggestion on how to treat him ?


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BigManAquatics
  • #2
I have been trying to do a crash course on this off and on all afternoon. I suppose you can have him swim around in your hospital tank with some salt in it. Don't know how much it will do though without meds.
 

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OuiBonjour
  • Thread Starter
  • #3
Okay, I will do so. Should I put some Malachite Green and some Almond leaves too ?

I guess I would remove the filter, but should put an air-rock to move the surface ?

What about the heater ? I read that the temp needs to be lower than 78 otherwise the bacteria will continue to thrive, but it's not an ajustable one. If I just don't put the heater in the hospital tank, will it be too cold ?

This morning, I can see the beginning of some dry skin around one of the bleached area, it's not that flat anymore. Funny thing is that he's still eating well and being active.
 
KribensisLover1
  • #4
My tropheus looks like that but maybe he’s supposed to Bc it’s been months.
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Queasy
  • #5
I’ve dealt with this a lot of times (usually due to bad suppliers), from my personal experience that much development is usually not curable. Before they show any signs is usually when medicines or treatments work, but once you have the grey on the side it’s too late. I’ve dealt with it in guppies, so it might be different with Betas but I doubt it. In a community tank it can wipe out an entire population within 48 hours. It’s a super fast spreading and deadly disease. Worst thing about it is it’s a bacterial infection meaning you can’t treat it without antibiotic medication, which even then would kill your BB and most likely your fish in the process. I’m yet to come across someone who has treated a fish that far developed. I’ve noticed my tanks that have UV sterilization haven’t experienced this disease, but that could be coincidental. I wish you the best of luck, and keep us updated.
 
OuiBonjour
  • Thread Starter
  • #6
From what I read, there are 2 strains of the disease, one that is very fast acting (which kills the fish in 24-48 hours, usually they die even before we see symptoms), and a slow strain which does not kill the fish quickly, but slowly eats the scale and then the skin and ends up creating holes in the fish.


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Source :

However, without antibiotics, I think it's even worse if it's going to be a slow death if I cannot treat him. I already prepared a 1 Gallon Hospital tank with an air-stone, some Almond leaves, some aquarium salt and a moss ball. I'll try to put some malachite green too, as it saved him a year ago when he got some fin rot that ate his entire dorsal fin and attacked his back. I hope it's going to work. I'll change water each day as it's not filtered.

I'm still not sure what to do with my heater. It's supposed to be 78F, but it keeps my 5 gallon at 82F, which would contribute to the bacteria spreading, but if I don't put the heater, I'm afraid it will get too cold for him as it's not really warm at ma place. They say it's best to keep Temp at 75F. Any suggestion ?
 

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