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Author Topic: fin rot problems!! please help!!!  (Read 551 times)
fishnewbie
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fin rot problems!! please help!!!
« on: December 24, 2012, 06:51:37 PM »

I have a black moor and I noticed that his fins were ripped. Then the next day I found him and his right fin was missing! Now he's at the bottom of the tank and stays there a while. I don't know what to do! Please I need help!!
« Last Edit: December 24, 2012, 07:02:29 PM by fishnewbie » Logged
Skwishee
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Re: fin rot problems!! please help!!!
« Reply #1 on: December 25, 2012, 09:39:56 AM »

Hello and welcome to the forums! Sorry you've joined us on a rather bad note, could you please answer these questions below and we will do our best to help you;

1. How big is your tank:  Gal / litres

2. For how long has the tank been set up:

3. How many fish:

4. What kinds of fish:

5. What are the water parameters:    Ammonia.........ppm
                                                            Nitrite..............ppm
                                                            Nitrate.............ppm
                                                            pH..........................
                                                            Temp...............degrees Celsius / Fahrenheit

6. How often do you perform water changes:

7. How big are your waterchanges:      .....................%

8. What kind of waterconditioner are you using:

9. Do you add beneficial bacteria:

10. Symptoms your fish is showing:

11. Since when does your fish show these symptoms:   

12. How is the normal behaviour of your fish:

13. How do the other fish behave:

14. Post pics of the sick fish:

15. Do you have a filter on your tank, what kind, how big (gallons per hour)

16. Do you provide extra aeration with an air pump and air stone/diffuser of some kind.


If you do not have a test kit at home to answer question 5, you can always take a sample of your water to an aquatic store and quite often they will test your water for free Smiley
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fishnewbie
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Re: fin rot problems!! please help!!!
« Reply #2 on: December 26, 2012, 08:48:00 AM »

My tank is 20 gallons.
It has been set up for almost two weeks.
It has 15 fish.
Around goldfish and tetra and a pleco.
I don't know about any of that.
I perform water changes once a week.
My usual water change is around 15-25%.
I use tetra aquasafe.
I use my old filter and it has beneficial bacteria.
The symptoms of my goldfish are ripped fins and black spots.
Since  a few days.
Their behaviour is regular, the usual.
The other fish behave fine.
I have two filters.
Not yet.
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Skwishee
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Karma: 136
Posts: 1763



Re: fin rot problems!! please help!!!
« Reply #3 on: December 26, 2012, 09:22:16 AM »

Okay, I have written a lot, so please take your time to read everything through, lets start with one basic thing, the tank is too small and may I ask if you cycled the tank before adding fish?
For now I am going to make the assumption that this is all down to poor water quality and over stocking

Cycling a tank is extremely important and what happens with this, is the tank goes through the Nitrogen cycle while it builds up beneficial bacteria in the gravel and filter. So in a nutshell this is what happens in cycling:
Ammonia levels build up and bacteria develop to turn the ammonia into nitrite, then bacteria develop again to turn the nitrite into nitrate, then water changes are used to keep the nitrate levels safe.

Now ammonia and nitrite are harmful to fish and can cause illness or in some bad cases it can also kill them. Different fish have different sensitivities, so it is possible that your Moor is more sensitive and is affected by poor water quality, whereas the other fish aren't.

The absolute minimum stocking rules for Fancy Goldfish (including Moors) is that you have 20 gallons for the first fancy goldfish and then 10 gallons for each additional fancy goldfish you add. I would personally increase this and for keeping fancy goldfish, I would say start with 100 litres/26 gallons for the first fish and then add 60 litres/15 gallons for each additional fish, generally the bigger you can go, the better it is for the fish.

So you have too many fish in there as I believe you must have around 13 tetras and the pleco, which with the Moor makes this 20 gallon tank over stocked.

Because of this I would suggest you increase your water changes to at least 50% once a week, this will help with the extra waste produced by the fish (25% a week is suited for tropical fish, goldfish however are extremely messy and require more water to be removed).

I would also advise getting your aquarium water tested, either buy your own test kit (I would recommend a liquid test kit as they are more economical) or get the water tested at a local aquatic store or aquatics department in a pet store.

Basically if there are any ammonia/nitrites in the tank, you need to know and will have to up the water changes. I had nitrites present in my goldfish's tank once and had to perform daily water changes until the levels went back down (so having a test kit at home was very useful because I was able to test the water each day to see if a water change was needed).

The complications with the Moor could also be down to temperature, as I imagine that tank must be pretty warm with the Tetra's in there, the website I've linked below shows the following warning with your current tank (it also mentions the pleco needs driftwood so be sure you have some!);
Quote
Warning: Water temperature requirements are not fully compatible between all selected species.
=> 24 - 28C: Ember Tetra
=> 22 - 27C: Albino Bristlenose Pleco
=> 19 - 23C: Black Moor Goldfish

Or the Moors issues could be down to aggression from the other fish due to the over stocking, have you seen the pleco or tetras nipping at the Moors fins?

You will also need to think about what you want to do with regards to the over stocking, maybe check this website about stocking for the tetras and plecos; (Link is not visible to guests. Please register to view.)
Also be aware that tetras may get eaten when the moor has grown, so I would suggest thinking about whether your want to keep tropical fish or goldfish, I know some types of pleco can sometimes be kept with goldfish though (what type do you have?).

If you opt for tropical, it's possible that the tetras and pleco (depending on the breed of pleco) would be happy in that 20 gallon tank you have. However if you wish to keep goldfish, you will need to invest in a much larger tank and filtration Smiley

Take your time to read through what I've read, as I can appreciate it is a lot to take on board!
« Last Edit: December 26, 2012, 09:31:03 AM by Skwishee » Logged
fishnewbie
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Re: fin rot problems!! please help!!!
« Reply #4 on: December 26, 2012, 10:53:29 AM »

No, I have never seen them nipping at his fins. But thanks for all your help!!
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Skwishee
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Re: fin rot problems!! please help!!!
« Reply #5 on: December 28, 2012, 12:11:31 PM »

You are most welcome, let us know how the fish get on and you will have to decide between tropical and goldfish Smiley

Tropical fish tend to be easier because they can live in small tanks and only require small weekly water changes, whereas goldfish need much larger tanks (as I mentioned with stocking) so to keep your Moor and perhaps give him two friends (goldfish are social little things), you'd need a tank at least 220 litres/60 US Gallons, which in all honesty is a lot to ask of anyone, so if you aren't willing to do that (which is entirely understandable), I would suggest to re-home the Moor to someone with a suitably sized tank (if you give them back to a pet store, they will more than likely be miss sold again) and then you can stick with the tank/stock you have Smiley
« Last Edit: December 28, 2012, 12:16:35 PM by Skwishee » Logged
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