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Injured X-ray Tetra With Infection - Melafix

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Offline fcmf

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Injured x-ray tetra with infection - Melafix
« on: September 26, 2015, 10:08:10 AM »
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Starting a new thread in the "fish health" section as the behavioural/injury problem earlier in the week http://www.thinkfish.co.uk/forums/index.php/topic,2116.0.html has now escalated into a health problem.

The injured x-ray tetra's wound looked as though it might have been on the mend yesterday - fleck had disappeared but a reddish, bruise-like mass/growth could be seen directly under the spine on both sides of the fish in the caudal peduncle area. The advantage of the x-ray tetra's transparent body is that it's easier to see what's going on.  This morning, though, the area where the fleck had been has now turned into a round, pus-like 'growth' - like an infection absolutely identical to that which two of the cories had and which can be seen in the videos on this thread http://www.thinkfish.co.uk/forums/index.php/topic,2087.msg19674.html#msg19674 .  I've tried taking pictures and videos of the tetra but without much success.

Now the dilemma: do I leave this fish in the tank with the others and hope it heals, do I move him into the pristinely-sterilised QT for treatment (bit reluctant to do that after the events of a fortnight ago when all 3 final cories succumbed), do I treat the entire tank just in case there is something going on in there that water tests just aren't picking up? [NB. All fish are vividly coloured and behaving normally although one of the large/female tetras who seemed to be involved in Mon's "fight" seems to be regularly taking ownership of half of the tank - going to adjust the decor during this morn's water change, though, to see if I can address that.]




Offline Sue

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Re: Injured x-ray tetra - now infection?
« Reply #1 on: September 26, 2015, 04:03:21 PM »
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I am now thinking you do need the treat the main tank  :(  But remind me, do you have just fish in there or are there inverts like shrimps or snails there too? Most fish meds can't be used with inverts in the same tank.

If there are just fish, I would try a course of eSHa 2000 or Myxazin (by Waterlife). If there are inverts, I don't know what to suggest other than removing them to a separate tank while you treat the main tank, then running several batches of carbon followed by Polyfilter (the stuff that removes toxins) then waiting a while before putting the inverts back. I've killed nerites by putting them back too soon so I now wait 3 months before risking it.

Offline fcmf

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Re: Injured x-ray tetra - now infection?
« Reply #2 on: September 26, 2015, 04:48:19 PM »
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Thanks, Sue - that's helpful.

There are just the fish - 6 harlequin rasboras and 6 x-ray tetras - and no invertebrates (water too soft and acidic for them), so that makes that aspect easier.


Offline fcmf

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Re: Injured x-ray tetra - now infection?
« Reply #3 on: September 29, 2015, 08:09:03 AM »
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Good news - the injury seems to be much more on the mend. The pus-like 'growth' (exactly like a teenage whitehead spot/pimple) had subsided after the first day on one side but developed/became more evident on the other side, there was a raw-looking wound the following day from where it must have burst, still quite a bruise-like mark and quite a bump/swelling yesterday, but the fish was difficult to distinguish from his peers today due to considerable improvement.

After the experience with the pygmy cories, I took "cold feet" about using eSHa 2000 or another harsh treatment in the main tank, for fear of causing an adverse reaction in the other fish. I know Melafix is more of a disinfectant, but, as it does market itself as repairing open wounds, promoting tissue regrowth, etc, I decided to try it as a first-line treatment, with a view to upgrading to the eSHa 2000 if there was no change after the first day or so. Thankfully, it looks as though nature and/or Melafix has worked on this occasion. All hard decor has been removed from the tank, and the silk plants re-arranged, so hopefully no more injuries will be incurred if another "battle" breaks out like last week. Obviously, I'll be retaining the very close eye on them that I always do.

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