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Hello,

I have a sick leopard cory that I can't seem to figure out what is wrong with him. All my water parameters are fine (0 ammonia, 0 nitrite, 10-20ppm nitrate) and the 5 other leopard corys in the tank are all unaffected (at least for now). He's eating well and acting pretty normal (a little more brave than the others believe it or not).

Does anyone have any idea what is wrong or have any idea on how to cure him? Any help would be much appreciated.

Thanks in advance!

Hello & welcome to PC.
Red spots usually indicate a bacterial infection. There are medicins to cure this/these diseases, but they differ between countries, so it's very important that you add your location to get the best help.

Marc van Arc wrote:Hello & welcome to PC.
Red spots usually indicate a bacterial infection. There are medicins to cure this/these diseases, but they differ between countries, so it's very important that you add your location to get the best help.

Hi, thanks for the reply.

I live in Canada, just north of Toronto. I had Melafix in the tank not too long ago and noticed this ailment since the Melafix has been removed (or at least diluted through 50% weekly water changes).

Is there anything in particular that would have caused this?

Thanks again.

Welcome to the site.

I live in Canada, just north of Toronto.

Could add that info to your profile (on the top right menu) so it appears in every post you make (hoping you make more posts than this one!) on the left hand side.

You'll see mine says Oxfordshire, UK.

racoll wrote:Welcome to the site.

I live in Canada, just north of Toronto.

Could add that info to your profile (on the top right menu) so it appears in every post you make (hoping you make more posts than this one!) on the left hand side.

You'll see mine says Oxfordshire, UK.

Got it, thanks!

Catch and Release wrote: I had Melafix in the tank not too long ago and noticed this ailment since the Melafix has been removed (or at least diluted through 50% weekly water changes).

I do hope someone from Canada or another country will reply. Melafix is completely unknown overhere, so I can't help you any further....

I've used and had success with Melafix before. I've also used and had success with Maracyn and Maracyn-two. Melafix is a natural product, tea extract I believe, and the Maracyns are antibiotics. I don't know if these are available in Canada but I suspect they are. Your success will depend on how long this fish has been infected. Redness generally indicates the infection is internal so the medication has to be internalized to be effective. This may take time the fish doesn't have. At least the medication may prevent the other fish catching whatever this one has.

rahendricks wrote:I've used and had success with Melafix before. I've also used and had success with Maracyn and Maracyn-two. Melafix is a natural product, tea extract I believe, and the Maracyns are antibiotics. I don't know if these are available in Canada but I suspect they are. Your success will depend on how long this fish has been infected. Redness generally indicates the infection is internal so the medication has to be internalized to be effective. This may take time the fish doesn't have. At least the medication may prevent the other fish catching whatever this one has.

Do you think some sort of salt dip could work?

I've always heard that salt is bad for cories so I've never tried.

Whilst salt has some antibacterial effect, it's much better against parasitic infections, which I don't believe yours is.

It's not hard to find an antibacterial treatment, almost every producer of fish-medication will have one. The trouble is that some are available in some countries, and others in other countries. I've been to Canada twice, but I didn't need to buy fish medication on either of the trips, so I didn't find out what's available. I would say, tho', that I've seen Maracyn recommended before, and I believe that's a good choice.

Bear in mind that Maracyn most likely will also kill the good bacteria in the filter (EVEN if the documentation that comes with it says otherwise), so if you have the ability to put the fish in a separate tank while treaing it, that'll be better. Also, plenty of water changes will help too.

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Mats