Neon Tetras with white 'patches' and 'torn' fins
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Neon Tetras with white 'patches' and 'torn' fins

This is a discussion on Neon Tetras with white 'patches' and 'torn' fins within the Tropical Fish Diseases forums, part of the Freshwater Fish and Aquariums category; --> I've had my neon tetras for a few months and noticed recently that the two females had 'torn' or 'eaten' fins and tails, as ...

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Neon Tetras with white 'patches' and 'torn' fins
Old 01-27-2014, 04:19 AM   #1
 
Neon Tetras with white 'patches' and 'torn' fins

I've had my neon tetras for a few months and noticed recently that the two females had 'torn' or 'eaten' fins and tails, as well as some white patches on their sides which looked to me like lost scales. I just assumed that one of the others had been nibbling on them, but I've never seen that happen.

Today I noticed that one of the males suddenly has the same fins and patches as the girls. I tried to look up the symptoms listed on here in an attempt to figure out what was wrong but what I found was too vague for me to tell whether it applied to my guys or not.

Also, I recently needed to give my axolotl regular salt baths to cure a skin condition he developed due to the high temperatures this summer and I was told it works for all fish. Would it be worth giving this a try and, if so, how do I go about it.

I've posted some pictures on here for you. The fins are easy to spot but the patches were really hard to photograph. Try looking at the sides of the girls (the only 'fatties' in the bunch) as you can somewhat see in some pics what I'm describing.


Please help as I love my fishies and don't want to lose them if I can help it!!

Water quality: (as of a week ago before i changed out the whole tank of water in order to add some newbies)
*Ammonia: 0.25ppm
*Nitrite: 0ppm
Nitrate: 160ppm
*pH: 7.2
*Temperature: Between 24 - 28 degrees Celsius

Tank details: 28L tank with heater, filter etc, no live plants as yet
Tank Inhabitants (numbers, sizes ect): 10 neon tetras (2F, 8M) and a bristlenosed catfish
How long the tank has been set up: 5 months
Frequency and amount of routine water changes: 1/3 change weekly, full change to a newly cycled clean tank once a month to clean usual tank
What you feed , how much and how often: small pinch of Aqua One micro for tetras, three times daily
Water conditioner used: Showmaster Water Conditioner (blue crystals), Seachem Prime and Seachem Stability
New fish or plants added to the tank? New fish added nearly 2 weeks ago but the problem existed prior to their introduction
Were they quarantined: They were kept separate for a couple of days
Medications used: None as yet
Describe the problems you are seeing: fins which looked 'eaten' and sides of fish which appear as though scales are missing/covered by something whitish

Filtration details:
Type of filter (external, internal, under gravel): external filter
Maintenance details: cleaned out / rinsed twice per month, filter media changed monthly
Media used: foam pieces and charcoal (black pebbles?)
Attached Images
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mintymintymid is offline   Reply With Quote
Old 01-27-2014, 02:04 PM   #2
 
First I must say, WOAH! Did you have a typo for your nitrates because that is scary high haha. Also, your pH is a little high for tetras.
Have you watched your fish to see if there is any bullying? Either from the catfish or the tetras themselves? Is it possible to put them in a hospital tank? I would consider dosing them with some medicine to help heal their wounds.
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Old 01-27-2014, 02:06 PM   #3
 
Just a side note..
You have an axolotl?!?! I love those things so much! >.<
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Old 01-27-2014, 04:31 PM   #4
 
No typo unfortunately! I was testing weekly but apparently the first pack of test strips I bought were wildly inaccurate as I got a new pack and instantly things went from fine to bad!

The only sign of possibly aggressive behaviour I've seen is if the males chasing the females but I know that's part of their courtship ritual and I've never seen them actually touch each other, just randomly have a 'race' LOL! And the catfish is a complete wuss - hiding most of the time.

I can separate the sick ones but how do I know if the others are also infected? And what medications should I get? My local pet store is quite hopeless when it comes to things like that (They told me that catfish only eat pellets! *sigh*)

And yes, I do have an axolotl. He's just recovering from our hot Summer :)

Thanks for your advice!!
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Old 01-27-2014, 04:43 PM   #5
 
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Youre tank sounds like it has never been given a chance to cycle. If you are replacing your filter media every month then you are throwing out all the good bacteria. Dont change the cartridge. Start using prime as your water conitioner double or triple dose aa well. You'll need to do large frequent water changes till it fully cycles. The neons are suffering from the toxic water so i'd read up on how to cycle properly .
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Old 01-27-2014, 05:28 PM   #6
 
Well that's probably your problem right there. Your water is very toxic. (Didn't even know it could get that high!) I would do water changes straight away, 20% or so every day. You mentioned test strips? Did you replace the strips with new strips or liquid test kit? Strips have been known to be inaccurate. Now that you've told me your nitrates weren't a typo it's a whole different story. Everyone in your tank is at risk so it's best just to treat the water all together.
Make sure not to overfeed, and add nitrate lowering liquids of your choice, and check water parameters everyday.
Also can you test your tap water for nitrates? This might be why it's so high in your tank.
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