Cory with fin rot???

M

mcelaj

Registered Member
Jul 11, 2006
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0
0
Hi,

The picture does not show the before so I'll try to explain. It was a full long fin, now it's stepped. The back of the fin began turning white 3-4 days ago. The bottom right of the fin, as viewed in the pictures, had an oval white spot, eventually turning into a hole. Today I awake to find the the fin to the left of the hole is gone, forming the present stepped look. I have 2 other, same size, age, etc, as they all were born in my 55 gallon and somehow managed to survive in a community tank. Both of which are fine and do not have the fin problem. I'd say the fish is somewhere over six months old. The fish is eating fine and other than displaying some crazy spawn swimming behavior last night it seems fine. I've added two pictures of the fish and fin. Any help on this would be appreciated.

mcelaj

PC290089.JPG PC290090.JPG
 
Yeah, what snoopy said. If he's the only one infected, do you have a QT tank? Whether you end up needing meds or not, a QT tank with nice clean water would help.

Gorgeous fish though! I've been trying to find some long fin bronzes.
 
snoopy65:

Tank is about a year old, low level planted (no CO2, etc), some driftwood, 20% weekly water changes, no algae, well a tad on the anubias (dark stuff), water tests 0 for everything and nitrates below 20, temp is steady at 78.

Tank mates are glass cats, bolivian rams, bosemani rainbow, betta pair, platy pair, amano shrimp and snails (rams and mts).

I tried taking a pic of another to show the difference, camera is having trouble with auto-focus. The one with the fin problem seems a bit fatter and the lower tail fin is a bit shorter than the one with the good fins, which initially made me think it was female, but the dorsal fins were the same. On the adults the male has a very long dorsal fin whereas the females is like a triangular shape. Nothing in comparison with the males fin.

I guess time will ultimately tell.

clb2196:

Yes I do have a QT and the fish is in there now, acting fine. If you are in NYC I can give you two fry.
 
That is a beautiful cory! It does look like fin rot...I asked JSpigs, who has had quite some experience in dealing with it...he says:

"...fin rot is very strange. Just when Fred [his fish] seems to be recovering and his fins are growing back the fin rot will return. Currently Fred's fin rot just returned.
That being said I would try daily water changes to try to get the water as clean as possible. I have not tried this method but I hear it has a very high success rate.
You have probably done this already but take out anything that your [fish] could rip her fin on just in case your [fish] simply tore a fin on something.
The method I tried was using Maracyn and Maracyn 2..." (JSpigs)

So just try Maracyns I and II, whilst QT'ing him and keeping up water changes. I wish you the best of luck in this matter!
 
Looks to me like somebody took a few bites out of his fin.
 
pinkertd said:
Looks to me like somebody took a few bites out of his fin.
Click to expand...

I agree Pink. Looking at your stock, I would say there is a possibility that your betta thinks your long fin cory is someone to fight with.

Daily water changes should heal it's fins up nicely. I had a cory that completely lost it's tail to aggression. Three weeks of pristine water and it had grown back.

To address the long term issue. It is not recommended to house male betta fish with anything having long fins as they think it is another male betta and will attack it. Of course, I do not KNOW that is what happened, but from looking at your stock list and your parameters, that is what I think happened. You may need to move your betta to his own tank or move any long finned fish from the tank the betta is in.
 
Update - 6 Days Later

Update - 6 Days Later

Just water changes, no medication...

Looks much better.

P1040001.JPG
 
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